// JavaScript Document
//alert("i am in request");
function createRequest(){
	var request = null ;
//	alert("i am in create request");
	if(window.XMLHttpRequest) request = new XMLHttpRequest();
	else if (window.ActiveXObject) request = new ActiveXObject("Microsoft.XMLHTTP");
	else {
		alert("Your browser do not support ajax");
		return false;
	}
	return request;
}


function trim(text){
		for (i = 0 ; i< text.length; i++){
			if(text.charAt(i)==" "){
				text = text.substring(i,text.length);
			}	
			else break;
		}	
		for (i = text.length-1; i>=0 ; i--){
			if(text.charAt(i)==" "){
				text = text.substring(0,i);
			}	
			else break;
		}
		return text;
}