// JavaScript Document

	function CheckSupport(f)
	{

		if(f.fullname.value != ''){
			var alphaExp = /^[a-zA-Z\s]+$/;
			if(!f.fullname.value.match(alphaExp)){
			alert("Please enter valid full name.");
			f.fullname.focus();
			return false;	
			}			
		}

		if(f.email.value == ''){
			alert("Please enter email");
			f.email.focus();
			return false;
		}else{
			var emailExp = /^[\w\-\.\+]+\@[a-zA-Z\.\-]+\.[a-zA-z]{2,4}$/;
			if(!f.email.value.match(emailExp)){
			alert("Please enter valid email address.");
			f.email.focus();
			return false;
			}
											
		}
		if(f.username.value == ''){
			alert("Please enter username");
			f.username.focus();
			return false;
		}else{
			var alphaExp = /^[a-zA-Z0-9_\-]+$/;
			if(!f.username.value.match(alphaExp)){
			alert("Please enter valid Username.");
			f.username.focus();
			return false;	
			}
		}
		if(f.priority.value == ''){
			alert("Please choose priority ");
			f.priority.focus();
			return false;
		}
		if(f.subject.value == ''){
			alert("Please enter subject ");
			f.subject.focus();
			return false;
		}
		if(f.message.value == ''){
			alert("Please enter message ");
			f.message.focus();
			return false;
		}
	return true;
	}