function LTrim(str) 
{ 
	 for (var k=0; k<str.length && str.charAt(k)<=" " ; k++) ;
	 return str.substring(k,str.length);
}
function RTrim(str) 
{
	 for (var j=str.length-1; j>=0 && str.charAt(j)<=" " ; j--) ;
	 return str.substring(0,j+1);
}
function Trim(str) 
{
	 return LTrim(RTrim(str));
}
function field_validation(thisform) {

if (Trim(thisform.newsname.value) == "") {
	alert ("Your Name is required");
	thisform.newsname.focus();
	return false;
	}
if (Trim(thisform.newsemail.value) == "") {
		alert ("Your Email is required");
		thisform.newsemail.focus();
		return false;
	}
		var str=document.newsletter.newsemail.value
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str))
		testresults=true
		else{
		alert("A valid email address is required")
		thisform.newsemail.focus();
		return false;
	}
return true;
}