/**
 * @author Ruki
 */

var request = null;

function httpRequest(reqType,url,async,respHandle){
	if(window.XMLHttpRequest){
		request = new XMLHttpRequest();
	}else if(window.ActiveXObject){
		request = new ActiveXObject("Msxml2.XMLHTTP");
		if(!request){
			request= new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	
	if(request){
		if(reqType.toLowerCase() != "post"){
			initReq(reqType,url,async,respHandle);
		}else{
			
			var args = arguments[4];
			if(args != null && args.length > 0){
				initReq(reqType,url,async,respHandle,args);
			}
		}
	}else{
		alert("Your browser does not permit the use of all of this application's features");
	}
	
}

function initReq(reqType,url,bool,respHandle){
	
	try{
		request.onreadystatechange = respHandle;
		request.open(reqType,url,bool);
		if(reqType.toLowerCase() == "post"){
			request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
			request.send(arguments[4]);
		}else{
			request.send(null);
		}
	}catch(errv){
		alert("The application cannot contact the server at the moment.Please try again in a few seconds. \n\nError detail:" + errv.message);
	}
}