function ValidateForm()
{
var Temp     = document.mainform.Email 
var AtSym    = Temp.value.indexOf('@')
var Period   = Temp.value.lastIndexOf('.')
var Space    = Temp.value.indexOf(' ')
var Length   = Temp.value.length - 1   

 				if (document.mainform.Name.value == "") 
			{
				alert("Please enter your name here.");
				document.mainform.Name.focus();
				return false;
			}



				if (document.mainform.Email.value == "") 
			{
				alert("Please enter your email address here.");
				document.mainform.Email.focus();
				return false;
			}
			
			
 if ((AtSym < 1) || (Period <= AtSym+1) ||  (Period == Length ) ||
 (Space  != -1)) 
    {  
	alert("You have entered an improperly formatted email address. \n It should be in the format 'you@yourbiz.com'.");
	Temp.focus();
	return false;
	}
	
		
				if (document.mainform.need.value == "") 
			{
				alert("Please enter your comment or request here.");
				document.mainform.need.focus();
				return false;
			}
}