//---------------------------------------------------------------------||
// RETURNS:     Quantity as a number, and possible alert               ||
// PURPOSE:     Make sure quantity is represented as a number          ||
//---------------------------------------------------------------------||
function CKquantity(checkString) {
   strNewQuantity = "";

   for ( i = 0; i < checkString.length; i++ ) {
      ch = checkString.substring(i, i+1);
      if ( (ch >= "0" && ch <= "9") || (ch == '.') )
         strNewQuantity += ch;
   }

   if ( strNewQuantity.length < 1 )
      strNewQuantity = "1";

   return(strNewQuantity);
}
//---------------------------------------------------------------------||
// RETURNS:     Cookie to user's browser, with prompt                  ||
// PURPOSE:     Adds a product to the user's shopping cart             ||
//---------------------------------------------------------------------||
function AddToCart(thisForm) {
   iNumberOrdered = 0;
   iNumberOrdered = GetCookie("NumberOrdered");
   iNumberOrdered++;

   if ( iNumberOrdered > 15 )
      alert("I'm Sorry, your cart is full, please proceed to checkout.");
   else {
      if ( thisForm.ID_NONMEM == null )
         strID_NONMEM    = "";
      else
         strID_NONMEM    = thisForm.ID_NONMEM.value;
		 
	  if ( thisForm.ID_MEM == null )
         strID_MEM    = "";
      else
         strID_MEM    = thisForm.ID_MEM.value;	 
      
      if ( thisForm.QTY == null )
         strQTY  = "1";
      else
         strQTY  = thisForm.QTY.value;
		 
	  if ( thisForm.PRICE_NONMEM == null )
         strPRICE_NONMEM     = "0.00";
      else
         strPRICE_NONMEM     = thisForm.PRICE_NONMEM.value;	 
      
      if ( thisForm.PRICE_MEM == null )
         strPRICE_MEM     = "0.00";
      else
         strPRICE_MEM     = thisForm.PRICE_MEM.value;
      
      if ( thisForm.NAME == null )
         strNAME      = "";
      else
         strNAME      = thisForm.NAME.value;

      dbUpdatedOrder = strQTY           + "|" + 
                       strNAME          + "|" +
                       strID_NONMEM     + "|" +
                       strPRICE_NONMEM  + "|" +
                       strID_MEM        + "|" +
                       strPRICE_MEM;

      strNewOrder = "Order." + iNumberOrdered;
      SetCookie(strNewOrder, dbUpdatedOrder, null, "/");
      SetCookie("NumberOrdered", iNumberOrdered, null, "/");
      notice = strQTY + " " + strNAME + " will be added to your shopping cart.";
      alert(notice);
	  
   }
}
//---------------------------------------------------------------------||
// RETURNS:     URL unescaped Cookie Value                             ||
// PURPOSE:     Get a specific value from a cookie                     ||
//---------------------------------------------------------------------||
function getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);

   if ( endstr == -1 )
      endstr = document.cookie.length;
   return(unescape(document.cookie.substring(offset, endstr)));
}
//---------------------------------------------------------------------||
// RETURNS:     date                                                   ||
// PURPOSE:     Fixes cookie date, stores back in date                 ||
//---------------------------------------------------------------------||
function FixCookieDate (date) {
   var base = new Date(0);
   var skew = base.getTime();

   date.setTime (date.getTime() - skew);
}
//---------------------------------------------------------------------||
// RETURNS:     Value in Cookie                                        ||
// PURPOSE:     Retrieves cookie from users browser                    ||
//---------------------------------------------------------------------||
function GetCookie (name) {
   var arg = name + "=";
   var alen = arg.length;
   var clen = document.cookie.length;
   var i = 0;

   while ( i < clen ) {
      var j = i + alen;
      if ( document.cookie.substring(i, j) == arg ) return(getCookieVal (j));
      i = document.cookie.indexOf(" ", i) + 1;
      if ( i == 0 ) break;
   }

   return(null);
}
//---------------------------------------------------------------------||
// RETURNS:     Null                                                   ||
// PURPOSE:     Stores a cookie in the users browser                   ||
//---------------------------------------------------------------------||
function SetCookie (name,value,expires,path,domain,secure) {
   document.cookie = name + "=" + escape (value) +
                     ((expires) ? "; expires=" + expires.toGMTString() : "") +
                     ((path) ? "; path=" + path : "") +
                     ((domain) ? "; domain=" + domain : "") +
                     ((secure) ? "; secure" : "");
}
//---------------------------------------------------------------------||
// RETURNS:     null                                                   ||
// PURPOSE:     Removes a cookie from users browser.                   ||
//---------------------------------------------------------------------||
function DeleteCookie (name,path,domain) {
   if ( GetCookie(name) ) {
      document.cookie = name + "=" +
                        ((path) ? "; path=" + path : "") +
                        ((domain) ? "; domain=" + domain : "") +
                        "; expires=Thu, 01-Jan-70 00:00:01 GMT";
   }
}
//---------------------------------------------------------------------||
// RETURNS:     Formatted Number                                       ||
// PURPOSE:     Reformats Dollar Amount to #.## format                 ||
//---------------------------------------------------------------------||
function moneyFormat(input) {
   var dollars = Math.floor(input);
   var tmp = new String(input);

   for ( var decimalAt = 0; decimalAt < tmp.length; decimalAt++ ) {
      if ( tmp.charAt(decimalAt)=="." )
         break;
   }

   var cents  = "" + Math.round(input * 100);
   cents = cents.substring(cents.length-2, cents.length)
           dollars += ((tmp.charAt(decimalAt+2)=="9")&&(cents=="00"))? 1 : 0;

   if ( cents == "0" )
      cents = "00";

   return(dollars + "." + cents);
}
//---------------------------------------------------------------------||
// RETURNS:     Null                                                   ||
// PURPOSE:     Removes an item from a users shopping cart             ||
//---------------------------------------------------------------------||
function RemoveFromCart(RemOrder) {
   if ( confirm("Click 'Ok' to remove this product from your shopping cart.") ) {
      NumberOrdered = GetCookie("NumberOrdered");
      for ( i=RemOrder; i < NumberOrdered; i++ ) {
         NewOrder1 = "Order." + (i+1);
         NewOrder2 = "Order." + (i);
         database = GetCookie(NewOrder1);
         SetCookie (NewOrder2, database, null, "/");
      }
      NewOrder = "Order." + NumberOrdered;
      SetCookie ("NumberOrdered", NumberOrdered-1, null, "/");
      DeleteCookie(NewOrder, "/");
      location.href=location.href;
   }
}
//---------------------------------------------------------------------||
// RETURNS:     Product Table Written to Document                      ||
// PURPOSE:     Draws current cart product table on HTML page          ||
//                                                                     ||
// IJS: Call WriteToForm1 instead of WriteToForm                       ||
//---------------------------------------------------------------------||
function GetFromCart( fShipping ) {
   if( fShipping )
      WriteToForm1( true, fShipping );
   else
      WriteToForm1( true, 0 );
}
//---------------------------------------------------------------------||
// RETURNS:     Product hidden fields Written to Document              ||
// PURPOSE:     Draws current cart product hidden fields on HTML form  ||
//              if bDisplay == true, shows cart output as HTML table   ||
//---------------------------------------------------------------------||
function WriteToForm(bDisplay) {
   iNumberOrdered = 0;
   nonmemTot         = 0;
   nonmemTotal       = "";
   memTot		  = 0;
   memTotal		  = "";
   strOutput      = "";
   iNumberOrdered = GetCookie("NumberOrdered");
   
   if (bDisplay)
      strOutput = "<TABLE border=0 CLASS=\"nopcart\" cellspacing=3><TR>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#c7ec82><B>Qty</B>&nbsp;&nbsp;&nbsp;</TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#c7ec82><B>Item Description</B>&nbsp;&nbsp;&nbsp;</TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#c7ec82><B>Non-Member</B></TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#c7ec82><B>Member</B></TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=white>&nbsp;</TH></TR>";

   for ( i = 1; i <= iNumberOrdered; i++ ) {
      NewOrder = "Order." + i;
      database = "";
      database = GetCookie(NewOrder);

      Token0 = database.indexOf("|", 0);
      Token1 = database.indexOf("|", Token0+1);
      Token2 = database.indexOf("|", Token1+1);
      Token3 = database.indexOf("|", Token2+1);
      Token4 = database.indexOf("|", Token3+1);

      fields = new Array;
      fields[0] = database.substring( 0, Token0 );
      fields[1] = database.substring( Token0+1, Token1 );
      fields[2] = database.substring( Token1+1, Token2 );
      fields[3] = database.substring( Token2+1, Token3 );
      fields[4] = database.substring( Token3+1, Token4 );
      fields[5] = database.substring( Token4+1, database.length );

      nonmemTot     += (parseInt(fields[0]) * parseFloat(fields[3]) );
      nonmemTotal    = moneyFormat(nonmemTot);
	  
	  memTot     += (parseInt(fields[0]) * parseFloat(fields[5]) );
	  memTotal    = moneyFormat(memTot);

      if (bDisplay) {
	  
         strOutput += "<TR><TD bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=verdana,arial size=1 color=#cc0000>"  + fields[0] + "</font></TD>";

         strOutput += "<TD bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=arial size=2>"  + fields[1] + "</font></TD>";
        
         strOutput += "<TD align=center bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=arial size=2>$"  + moneyFormat(fields[3]) + "/ea</font></TD>" +
                      "<TD bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=arial size=2>$" + moneyFormat(fields[5]) + "/ea</font></TD>";

         strOutput += "<TD VALIGN=bottom CLASS=\"nopentry\"><a href=\"#\" onClick=\"RemoveFromCart("+i+"); return false;\" class=\"nopbutton\";><img src=delete.gif border=0></a></TD></TR>";
      }

      strOutput += "<input type=hidden name=\"QTY_"       + i + "\" value=\"" + fields[0] + "\">";
      strOutput += "<input type=hidden name=\"NAME_" + i + "\" value=\"" + fields[1] + "\">";
      strOutput += "<input type=hidden name=\"ID_NONMEM_"    + i + "\" value=\"" + fields[2] + "\">";
      strOutput += "<input type=hidden name=\"PRICE_NONMEM_"     + i + "\" value=\"" + fields[3] + "\">";
      strOutput += "<input type=hidden name=\"ID_MEM_" + i + "\" value=\"" + fields[4] + "\">";
      strOutput += "<input type=hidden name=\"PRICE_MEM_"+ i + "\" value=\"" + fields[5] + "\">";
   }
if (iNumberOrdered <= 0)
strOutput += "<TR><TD bgcolor=#ffffff colspan=4><font face=arial size=2 color=#FF0000>Your shopping cart is currently empty.</font></TD><TD>&nbsp;</TD></TR>";

	

   if (iNumberOrdered > 0) { 
      strOutput += "<TR><TD>&nbsp;</TD><TD bgcolor=#c7ec82 align=right><font face=arial size=2><B>SUBTOTAL</B>&nbsp;&nbsp;</font></TD>";
      strOutput += "<TD bgcolor=#fdffe6 align=center><B>$" + nonmemTotal + "</B></TD>";
	  strOutput += "<TD bgcolor=#fdffe6><B>$" + memTotal + "</B></TD>";
	  strOutput += "<TD bgcolor=#ffffff>&nbsp;</TD>";
      strOutput += "</TR>";
      
   }
   
   strOutput += "</TABLE>";
   
   if (iNumberOrdered > 0)
strOutput += "<p>&nbsp;</p><div align=center><a href=orderform.html><img src=submit.gif border=0></a></div>";


   document.write(strOutput);
   document.close();
}
//---------------------------------------------------------------------||
// RETURNS:     Product hidden fields Written to Document              ||
// PURPOSE:     Draws current cart product hidden fields on HTML form  ||
//              if bDisplay == true, shows cart output as HTML table   ||
//                                                                     ||
// IJS: Submit the form to the secure server:                          ||
//      https://www.ijs.com/cgi-bin/alanet/mck-cgi/orderform.cgi       ||
//      instead of calling the orderform.html                          ||
//      (how the WriteToForm does)                                     ||
//---------------------------------------------------------------------||
function WriteToForm1(bDisplay) {
   iNumberOrdered = 0;
   nonmemTot         = 0;
   nonmemTotal       = "";
   memTot		  = 0;
   memTotal		  = "";
   strOutput      = "";
   iNumberOrdered = GetCookie("NumberOrdered");
   
   strOutput = "<FORM method=\"POST\" action=\"https://www.alanet.org/sc/products/mrcorder.asp\">";
   if (bDisplay)
      strOutput +="<TABLE border=0 CLASS=\"nopcart\" cellspacing=3><TR>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#E0F4BB><B>Qty</B>&nbsp;&nbsp;&nbsp;</TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#E0F4BB><B>Item Description</B>&nbsp;&nbsp;&nbsp;</TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#E0F4BB><B>Non-Member</B></TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=#E0F4BB><B>Member</B></TH>" +
                  "<TD CLASS=\"nopheader\" bgcolor=white>&nbsp;</TH></TR>";

   for ( i = 1; i <= iNumberOrdered; i++ ) {
      NewOrder = "Order." + i;
      database = "";
      database = GetCookie(NewOrder);

      Token0 = database.indexOf("|", 0);
      Token1 = database.indexOf("|", Token0+1);
      Token2 = database.indexOf("|", Token1+1);
      Token3 = database.indexOf("|", Token2+1);
      Token4 = database.indexOf("|", Token3+1);

      fields = new Array;
      fields[0] = database.substring( 0, Token0 );
      fields[1] = database.substring( Token0+1, Token1 );
      fields[2] = database.substring( Token1+1, Token2 );
      fields[3] = database.substring( Token2+1, Token3 );
      fields[4] = database.substring( Token3+1, Token4 );
      fields[5] = database.substring( Token4+1, database.length );

      nonmemTot     += (parseInt(fields[0]) * parseFloat(fields[3]) );
      nonmemTotal    = moneyFormat(nonmemTot);
	  
	  memTot     += (parseInt(fields[0]) * parseFloat(fields[5]) );
	  memTotal    = moneyFormat(memTot);

      if (bDisplay) {
	  
         strOutput += "<TR><TD bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=verdana,arial size=1 color=#cc0000>"  + fields[0] + "</font></TD>";

         strOutput += "<TD bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=arial size=2>"  + fields[1] + "</font></TD>";
        
         strOutput += "<TD align=center bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=arial size=2>$"  + moneyFormat(fields[3]) + "/ea</font></TD>" +
                      "<TD bgcolor=#fdffe6 CLASS=\"nopentry\"><font face=arial size=2>$" + moneyFormat(fields[5]) + "/ea</font></TD>";

         strOutput += "<TD CLASS=\"nopentry\"><a href=\"#\" onClick=\"RemoveFromCart("+i+"); return false;\" class=\"nopbutton\";><img src=images/delete.gif border=0></a></TD></TR>";
      }

      strOutput += "<input type=hidden name=\"QTY_"       + i + "\" value=\"" + fields[0] + "\">";
      strOutput += "<input type=hidden name=\"NAME_" + i + "\" value=\"" + fields[1] + "\">";
      strOutput += "<input type=hidden name=\"ID_NONMEM_"    + i + "\" value=\"" + fields[2] + "\">";
      strOutput += "<input type=hidden name=\"PRICE_NONMEM_"     + i + "\" value=\"" + fields[3] + "\">";
      strOutput += "<input type=hidden name=\"ID_MEM_" + i + "\" value=\"" + fields[4] + "\">";
      strOutput += "<input type=hidden name=\"PRICE_MEM_"+ i + "\" value=\"" + fields[5] + "\">";
   }
if (iNumberOrdered <= 0)
strOutput += "<TR><TD bgcolor=#ffffff colspan=4><font face=arial size=2 color=#FF0000>Your shopping cart is currently empty.</font></TD><TD>&nbsp;</TD></TR>";

	 strOutput += "<TR><TD bgcolor=#ffffff>&nbsp;</TD><TD bgcolor=#ffffff>&nbsp;</TD><TD bgcolor=#ffffff>&nbsp;</TD><TD bgcolor=#ffffff>&nbsp;</TD><TD bgcolor=#ffffff>&nbsp;</TD></TR>";

   if (iNumberOrdered > 0) { 
      strOutput += "<TR><TD>&nbsp;</TD><TD bgcolor=#E0F4BB align=right><font face=arial size=2><B>SUBTOTAL</B>&nbsp;&nbsp;</font></TD>";
      strOutput += "<TD bgcolor=#fdffe6 align=center><font face=arial size=2><B>$" + nonmemTotal + "</B></font></TD>";
	  strOutput += "<TD bgcolor=#fdffe6><font face=arial size=2><B>$" + memTotal + "</B></font></TD>";
	  strOutput += "<TD bgcolor=#ffffff>&nbsp;</TD>";
      strOutput += "</TR>";
      
   }
   
   strOutput += "</TABLE>";
   
   if (iNumberOrdered > 0)
   {
      strOutput += "<p><INPUT TYPE=\"hidden\" NAME=\"NumberOrdered\"+ VALUE=\"" + iNumberOrdered + "\">";

      strOutput += "<p>&nbsp;</p><div align=center><p><input border=\"0\" name=\"submit\" value=\"Continue\" type=\"submit\"></p></div>";
   }   

   strOutput += "</FORM>";

   document.write(strOutput);
   document.close();
}
//---------------------------------------------------------------------||
// RETURNS:     Writes Total to page                                   ||
// PURPOSE:     Displays Total                                         ||
//---------------------------------------------------------------------||
function GetTotal() {
    WriteToPage(true);
}
//---------------------------------------------------------------------||
// RETURNS:     Displays             								   ||
// PURPOSE:     Displays  										       ||
//---------------------------------------------------------------------||
function WriteToPage(bDisplay) {
   iNumberOrdered = 0;
   memTot		  = 0;
   memTotal		  = "";  
   nonmemTot         = 0;
   nonmemTotal       = "";
   strOutput      = "";
   iquantity = 0;
   iNumberOrdered = GetCookie("NumberOrdered");

   for ( i = 1; i <= iNumberOrdered; i++ ) {
      NewOrder = "Order." + i;
      database = "";
      database = GetCookie(NewOrder);

      Token0 = database.indexOf("|", 0);
      Token1 = database.indexOf("|", Token0+1);
      Token2 = database.indexOf("|", Token1+1);
      Token3 = database.indexOf("|", Token2+1);
      Token4 = database.indexOf("|", Token3+1);

      fields = new Array;
      fields[0] = database.substring( 0, Token0 );
      fields[1] = database.substring( Token0+1, Token1 );
      fields[2] = database.substring( Token1+1, Token2 );
      fields[3] = database.substring( Token2+1, Token3 );
      fields[4] = database.substring( Token3+1, Token4 );
      fields[5] = database.substring( Token4+1, database.length );

      nonmemTot     += (parseInt(fields[0]) * parseFloat(fields[3]) );
	  nonmemTotal    = moneyFormat(nonmemTot);
	  
	  memTot     += (parseInt(fields[0]) * parseFloat(fields[5]) );
	  memTotal    = moneyFormat(memTot);
      iquantity += (parseInt(fields[0]));
   }
if (iNumberOrdered <= 0)
document.write("");

if (iNumberOrdered > 0)
document.write("<br><b><a href=managecart.asp>Ready to Checkout?</a></b>");

document.close();
   
}
//---------------------------------------------------------------------||
// RETURNS:     Null                                                   ||
// PURPOSE:     Removes all items from a users shopping cart             ||
//---------------------------------------------------------------------||
function RemoveAllFromCart() {
      NumberOrdered = GetCookie("NumberOrdered");
      for ( i=1; i < NumberOrdered +1; i++ ) {
         OrderItem = "Order." + (i);
		 DeleteCookie(OrderItem, "/");
		 SetCookie("NumberOrdered", NumberOrdered-1, null, "/");
   }
}