function InitAjax(){
	var ajax=false;
	try {
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			ajax = false;
		}
	}
	if (!ajax && typeof XMLHttpRequest!='undefined') {
		ajax = new XMLHttpRequest();
	}
	return ajax;
}

function ajax_call(url, div_name, div_loading){
	if(div_loading!=null){ document.getElementById(div_loading).style.display = 'inline'; }	
	if(typeof(url) == 'undefined'){ return false; }
	var ajax = InitAjax();
	ajax.open("GET", url, true);
 	ajax.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
	ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	ajax.send(null);
	ajax.onreadystatechange = function() {
		if(ajax.readyState == 4 && ajax.status == 200) {
			if(div_loading!=null){ document.getElementById(div_loading).style.display = 'none'; }
			if(document.all) { // QUICKFIX *ONLY* FOR IE
   				document.getElementById(div_name).innerHTML = '<option>0</option>'+ajax.responseText;
				document.getElementById(div_name).outerHTML = document.getElementById(div_name).outerHTML;
			}
			else{ // NORMAL BROWSER
				document.getElementById(div_name).innerHTML = ajax.responseText;
			}
		}
	}
}

function ajax_call_value(url, input_name, div_loading){
	if(div_loading!=null){ document.getElementById(div_loading).style.display = 'inline'; }	
	if(typeof(url) == 'undefined'){ return false; }
	var ajax = InitAjax();
	ajax.open("GET", url, true);
 	ajax.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
	ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	ajax.send(null);
	ajax.onreadystatechange = function() {
		if(ajax.readyState == 4 && ajax.status == 200) {
			if(div_loading!=null){ document.getElementById(div_loading).style.display = 'none'; }
			document.getElementById(input_name).value = ajax.responseText;
		}
	}
}