//to validate an email address
function validEmail(obj)
	{
		var str=obj.value;
		var a;
		var len=str.length;
		var reg=new RegExp("@");
		var ind=str.search(reg);
		var c,d=0;
		var b=0;
		for(a=0;a<=str.length;a++)
		{
	
			if(str.charAt(a)=="@")
			{
				b++;
			}
			
		}
	
		if(b>1)
			{
				alert("Email Address is not valid.");
				obj.focus();
				return false;
			}
		else
			{
				for(a=0;a<=str.length;a++)
				{
					if(str.charAt(a)==".")
					{
						d=a;
					}
				
				}
				if((ind>d)||(ind==-1)||(d==0)||(ind+1==d)||(d+1==len))
				{
					alert ("Email Address is not valid.");
					obj.focus();
					return false;
				}
				else
				{
					return true;
				}
			}
		
						
	}//function end vaild enmail
	
	
	function validateContact(objFrm) {

	if (objFrm.fullname.value == '') {
		alert('You need to provide Full Name!');
		objFrm.fullname.focus();
		return false;
	}
	
	if (objFrm.email.value == '') {
		alert('You need to provide Email address!');
		objFrm.email.focus();
		return false;
	} else if (!validEmail(objFrm.email)) {
		objFrm.email.focus();
		return false;
	}
	if (objFrm.phone.value == '') {
		alert('You need to provide Phone!');
		objFrm.phone.focus();
		return false;
	}
    if (objFrm.comments.value == '') {
		alert('You need to provide Comments!');
		objFrm.comments.focus();
		return false;
	}
	
	 if (objFrm.security_code.value == '') {
		alert('You need to provide Verify Code!');
		objFrm.security_code.focus();
		return false;
	}
	return true;
	
}