function hit(str) {
	if (frm.options[frm.selectedIndex].text != "") {
		var xmlhttp;
		var varURL = "http://www.muhammadarif.com/lib/includes/action.asp?hit="+str;
		
		if (window.XMLHttpRequest) {
			xmlhttp = new XMLHttpRequest();
		}
		else {	// code for IE6, IE5
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		
		xmlhttp.onreadystatechange = function() {
			if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
				//document.getElementById("divAreaAdvance").innerHTML = xmlhttp.responseText;
			}
		}
		
		//document.getElementById("divAreaAdvance").innerHTML = "<img src='http://images.mannzili.com/loader.gif' border='0' valign='absmiddle'/>";
		xmlhttp.open("GET", varURL, true);
		xmlhttp.send();
	}
	return false;
}




<!-- ID/Password Validation -->
function isPass(e) {
	if ((e==null) || (e=="")) {
		return false;
	}
	if (e.indexOf(" ")!=-1) {
	   return false;
	}
	if (e.length < 5) {
	   return false;
	}
	return true;
}


<!-- Name Validation -->
function isFname(e) {
	if ((e==null) || (e=="")) {
		return false;
	}
	if (e.indexOf("  ")!=-1) {
	   return false;
	}
	if (e.length < 3) {
	   return false;
	}
	return true;
}


<!-- Email Validation -->
function isEmail(e) {
	var at = "@";
	var dot = ".";
	var lat = e.indexOf(at);
	var lstr = e.length;
	var ldot = e.indexOf(dot);
	
	if ((e==null) || (e=="")) {
		return false;
	}
	if (e.indexOf(at)==-1) {
	   return false;
	}	
	if (e.indexOf(at)==-1 || e.indexOf(at)==0 || e.indexOf(at)==lstr) {
	   return false;
	}	
	if (e.indexOf(dot)==-1 || e.indexOf(dot)==0 || e.indexOf(dot)==lstr) {
	   return false;
	}	
	if (e.indexOf(at,(lat+1))!=-1) {
	   return false;
	}
	if (e.substring(lat-1,lat)==dot || e.substring(lat+1,lat+2)==dot) {
	   return false;
	}
	if (e.indexOf(dot,(lat+2))==-1) {
	   return false;
	}
	if (e.indexOf(" ")!=-1) {
	   return false;
	}
	return true;
}