function alternate(){
	if(document.getElementsByTagName){  
		var table = document.getElementById("alternate");  
		var rows = table.getElementsByTagName("tr");  
		for(i = 0; i < rows.length; i++){          
 		    if(i % 2 == 0){
				rows[i].className = "light";
			}
			else{
				rows[i].className = "dark";
			}      
		}
	}
}
function alternatepartners(divid)
{

	if(document.getElementsByTagName)
	{  
		var div = document.getElementById(divid);  
		var p = div.getElementsByTagName("p");  		
		for(i = 0; i < p.length; i++)
		{          
 		    if(i % 2 == 0){
				p[i].className = "light";
			}
			else{
				p[i].className = "dark";
			}  
		}
			
	}
}

function altpurchaserouting()
{
if(document.getElementsByTagName)
	{  
		var table = document.getElementById("ResultsGrid");  		
		var rows = table.getElementsByTagName("tr");  
		
			for(i = 0; i < rows.length; i++)
			{          
	 		    if(i % 2 == 0){
					rows[i].className = "light";
				}
				else{
					rows[i].className = "dark";
				}  
			}
		
	}		

}

function alternateli(){
	if(document.getElementsByTagName){  
		var ul = document.getElementById("northamerica");  
		var listitems = ul.getElementsByTagName("li");  
		for(i = 0; i < listitems.length; i++){          
 		    if(i % 2 == 0){
				listitems[i].className = "light";
			}
			else{
				listitems[i].className = "dark";
			}      
		}
	}
}
function alternateli2(){
	
	var ul = document.getElementById("downloadslist");  
	var listitems = ul.getElementsByTagName("li");  
	for(i = 0; i < listitems.length; i++){          
 	    if(i % 2 == 0){
			listitems[i].className = "dark";
		}
		else{
			listitems[i].className = "dark";
		}      
	}
	
}
function EmailFocus(txtval){
	if (txtval != "" && txtval != "undefined")
	{
	   document.thisForm.Email.value = txtval;
	}
	if(document.thisForm.Email.value == "Enter in your email")
	{  
	   document.thisForm.Email.value = "";
	}
}

function EmailBlur(){
	if(document.thisForm.Email.value == "")
	{  
		document.thisForm.Email.value = "Enter in your email";
	}
}

function validateEmail(emailTxt)
 {
	var allValid = true;
	var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_@.";
	var checkStr = emailTxt;
	 
	for (i = 0;  i < checkStr.length;  i++)
	{
	   ch = checkStr.charAt(i);
	   for (j = 0;  j < checkOK.length;  j++)
	   {
		if (ch == checkOK.charAt(j))
		break;
	   }
	   if (j == checkOK.length)
	   {
		allValid = false;
		break;
           }
      	}
	if (emailTxt == "Enter in your email" || emailTxt == "")
	{
	   allValid = false;
	}
    	if (!allValid)
	{
		
	   alert("The email address can only contain letters, numbers and (@),( - ),( . )");
	}

	var myString      = emailTxt;
	var myLength      = myString.length;
	var myAt          = "@";
	var myAtIndex     = myString.indexOf (myAt);
	var myPeriod      = ".";
	var myPeriodindex = myString.indexOf (myPeriod);

	if ((myAtIndex == -1) || (myAtIndex == 0) || (myAtIndex >= (myLength - 1))) {
      		allValid = false;
      	}
	if ((myPeriodindex == -1) || (myPeriodindex == 0) || (myPeriodindex == myLength)) {
      		allValid = false;
	}
	if (myString.indexOf (myAt, (myAtIndex + 1)) != -1) 
	{
       		allValid = false;
       	}
	if ((myString.substring ((myAtIndex - 1), myAtIndex)       == myPeriod) ||
       		(myString.substring ((myAtIndex + 1), (myAtIndex + 2)) == myPeriod))
	{
		allValid = false;
	}
	if (myString.indexOf (myPeriod, (myAtIndex + 2)) == -1)
	{
      		allValid = false;
      	}

	if (allValid)
	{
		document.thisForm.hdnsub.value='clicked';
		document.thisForm.submit();
	}
	else
	{
		alert("Please format your email address using the standard convention of 'username@domain.ext'");
	}
}