// telepark.cms 
// (c) by telepark

var backsteps = "";
var fenster;

// open new window
function newWindow(url,name,width,height) {
	fenster = window.open (
	url,
	name, 					// name
	'toolbar=0' 			// tool bar 
	+',location=0' 			// address bar
	+',directories=0' 		// additional bars
	+',status=1' 			// status bar
	+',menubar=0' 			// menu bar
	+',scrollbars=1' 		// scroll bars
	+',resizable=1' 		// window resizable
	+',width=' + width 		// window width in pixels
	+',height=' + height 	// window height in pixels
	);
}

// get focus
function getfocus() {
	self.focus();
}

// create HttpRequest
function createHttpRequest() {
	var xmlhttp;
 	try {
 		xmlhttp = new XMLHttpRequest();
 	} catch (e) {
  		var XmlHttpVersions = new Array('MSXML2.XMLHTTP.6.0',
  										'MSXML2.XMLHTTP.5.0',
  										'MSXML2.XMLHTTP.4.0',
  										'MSXML2.XMLHTTP.3.0',
  										'MSXML2.XMLHTTP',
  										'Microsoft.XMLHTP'
  										);
  		for (var i = 0; i<XmlHttpVersions.length && !xmlhttp; i++) {
  			try {
  				xmlhttp = new ActiveXObject(XmlHttpVersions[i]);
  			}
  			catch(e) {
  			}
  		}
 	}
 	if (!xmlhttp) {
 		alert('Error creating the XMLHttpRequest object.');
 	} else {
		return xmlhttp;
 	}
}

// loading animation
function loading(f) {
	if (f != true) {
		if (document.getElementById('status')) document.getElementById('status').style.display = 'none';
		else if (parent.document.getElementById('status')) document.getElementById('status').style.display = 'none';
	} else {
		if (document.getElementById('status')) document.getElementById('status').style.display = 'block';
		else if (parent.document.getElementById('status')) document.getElementById('status').style.display = 'block';
	}
}

// input field restriction
MS_restrict_field = function(formname, id_or_name, chars) {
	var obj = (document.getElementById && document.getElementById(id_or_name) != null)
			  ? document.getElementById(id_or_name) : ((document[formname][id_or_name] != null)
			  ? document[formname][id_or_name] : '');

	if(obj.type == "text" || obj.type == "textarea") {
		obj.timer = "";
		obj.chars = chars;
		obj.onkeypress = obj.onkeydown = function() {
			var self = this;
			controll = function() {
				for(var t='',x=0; x<self.value.length; ++x) {
					if(self.chars.indexOf(self.value.charAt(x))>-1) {
						t += self.value.charAt(x);
					}
				}
				self.value = t;
			};
			this.timer = setTimeout(controll,1);
		};
		obj.onkeyup = function() {
			clearTimeout(this.timer);
		};
	}
};