function get(url, callback_function, return_xml){
			
			var http_request = false;

			if (window.XMLHttpRequest) {
				http_request = new XMLHttpRequest();
				if (http_request.overrideMimeType) {
					http_request.overrideMimeType('text/xml; charset= iso-8859-1');
				}
			}else if(window.ActiveXObject) {
				try {
					http_request = new ActiveXObject("Msxml2.XMLHTTP");
				}catch (e) {
					try {
						http_request = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e) {}
				}
			}
			if (!http_request) {
				alert('Leider unterstütz Ihr Browser diese Funktion nicht.');
				return false;
			}
			http_request.onreadystatechange = function() {
				if (http_request.readyState == 4) {
					if (http_request.status == 200) {
						if (return_xml) {
							eval(callback_function + '(http_request.responseXML)');
						} else {
							eval(callback_function + '(http_request.responseText)');
						}
					} else {
						alert('Problem: ' + http_request.status + ')');
					}
				}
			}
			http_request.open('GET', url, true);
			http_request.send(null);
			 
		}
		
		function doNothing(text){
		     
		}
		
		function openURL(text){
			     window.open(text);
			  
			}
		
		function gotoURL(text){
					window.location.href = text;
					 
				}
		function send(url, callback_function){
			get(url, callback_function);
			 
			
		}