function isBlank(obj,displayName)
{
	var str="";
	str=obj.value;
	
	var len = str.length;
		
	var i;
	for(i=0;i<len;++i)
	{
		if(str.charAt(i)!=" ")
		{
			return false;
		}
	}
	obj.focus();
	alert(displayName+" cannot be left blank");
	return true;
}

function isEmail(obj)
{
	var apos=obj.value.indexOf("@");
	var lastdotpos=obj.value.lastIndexOf(".");
	var lastpos=parseInt(obj.value.length)-1;

	if(apos<1 || lastpos-lastdotpos>3 || lastdotpos-apos<2 || lastpos-lastdotpos<2)
	{
	alert("Please Enter A Valid Email Address.");
	obj.focus();
	return false;
	}
	else
	{
	return true;
	}
		
}
      	
function validate()
{
	if(isBlank(document.frmNews.Email,"Email ID"))
	return false;	
					
	if(isBlank(document.frmNews.Name,"Name"))
	return false;
					
	if(!isEmail(document.frmNews.Email))
	return false;
					
	else{
	return true;
	}				   			
}
	
function set(doit)
{
	document.frmNews.do_what.value = doit;
}