// JavaScript Document
function comment_validateForm() { 

	//alert("Here");
	var name = document.comment_submit.name.value;
	//var name 	= document.getElementById('name');
var email = document.comment_submit.email.value;
//var email	= document.getElementById('email');
var comment = document.comment_submit.comment.value;
//var comment	= document.getElementById('comment');
//var url = document.comment_submit.url.value;
//var url		= document.getElementById('url');

	var flag = true;
	
	if (name == '') {
		alert('Name is required');
		document.comment_submit.name.focus();
		flag = false;
	}
	else if(checkemail(email) == false )
	{
		alert('Please input a valid email address!');
		document.comment_submit.email.focus();
		flag = false;
	}	
	else if(comment == "") 
	 {
		alert("Please enter the comment to be posted!");
		document.comment_submit.comment.focus();
		flag = false;
	 }
	
return flag;
}


function checkemail(email){
//var str=document.validation.emailcheck.value
var str=email
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("Please input a valid email address!")
testresults=false
}
return (testresults)
}

function checkurl(url){
	var str = url
	var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
return regexp.test(str);
/*var filter = "https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?";
	//var filter= (((https?)|(ftp)):\/\/([\-\w]+\.)+\w{2,3}(\/[%\-\w]+(\.\w{2,})?)*(([\w\-\.\?\\/+@&#;`~=%!]*)(\.\w{2,})?)*\/?)/i
	if (filter.test(str))
	testresults=true
	else{
	//alert("Please input a valid email address!")
	testresults=false
	}
return (testresults)
*/
}