var username = "";
var topoName = "";
function  setTopoName(str){
	topoName = str;
}
function postRequest(strURL){
	
	//alert(strURL);
	var xmlHttp;
	if(window.XMLHttpRequest){ // For Mozilla, Safari, ...
		var xmlHttp = new XMLHttpRequest();
	}
	else if(window.ActiveXObject){ // For Internet Explorer
		var xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	xmlHttp.open('POST', strURL, true);
	xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	xmlHttp.onreadystatechange = function(){
		if (xmlHttp.readyState == 4){
			updatepage(xmlHttp.responseText);
		}
	}
	xmlHttp.send(strURL);
}

function updatepage(str){
	//document.getElementById("content").style.width = "200px";
	
	document.getElementById("content").innerHTML = str;
}
function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function getCountryList(){
	var url = "getCountryList.php";
	postRequest(url);
} 
function createTopoLibraryBrowser(state){
			var browser=navigator.appName;
			var b_version=navigator.appVersion;
			var version=parseFloat(b_version);
			if ((browser=="Microsoft Internet Explorer")){
				//getCountryList();
				//alert(version);
				initExpMenu(state);
			}
			else{
				initExpMenu(state);
			}
}