function checkLogin(element_name, element_num) { 
var foo = element_name;
var foo2 = element_num;
var url1 = 'js/checklogin.php?u='; 
var url2 = '&m='; 
$(foo2).innerHTML = "Checking..."; 
var user = $('username'+foo2).value;
var pass = $('password'+foo2).value;
var url = url1 + escape(user) + url2 + escape(pass);

	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){

			results = ajaxRequest.responseText; 
			if(results == "") {
				$('logchecked'+foo2).innerHTML = " ";
				document.forms[foo].submit();
			} else {
				$('logchecked'+foo2).innerHTML = results; 
				return false;
			}
		} 
	}
	ajaxRequest.open("GET", url, true); 
	ajaxRequest.send(null); 
 
}