function isIdAvailable(val){
	var a = document.getElementById("avail");
	if(val){
		if(val.indexOf(" ") >= 0){
			with(a.style){
				textDecoration = "none";
				color = "red";
			}
	        		a.innerHTML = "Whitespace Not Allowed!";
			return;
		}
        		with(a.style){
		            textDecoration = "none";
            		color = "black";
        		}
        		a.innerHTML = "checking availability...";
	            ajax.callurl("process.php?action=idcheck&u=" + val, "lia");
        		ajax.obj = a;
    	}
	else
		a.innerHTML = '';
}