function zipcode_map() {
	var win=open('images/plz.gif','','toolbar=no,width=472,height=640,directories=no,status=no,scrollbars=false,resize=no,menubar=no,location=no,copyhistory=no');
}

function switchImage(id, url)
{
	img = document.getElementById(id);
	img.src = url;
}

function checkAll(field) {
	
	if(field.checked == false) {
		field.checked = true;
	
	} else if(field.checked == true) {
		field.checked = false;
	
	} else {
	
		if(field[0].checked == false) {
			for (i = 0; i < field.length; i++) {
    			field[i].checked = true;
    		}
    	} else {
    		for (i = 0; i < field.length; i++) {
    			field[i].checked = false;
    		}
    	}
    }
}

function skype() {
  	fenster = window.open("http://www.flirt-fever.de/tracker.php5?id=2", "Skype");
}

function calc_length(textarea_name)	{
	/* 	This script was written by glock64 (glock64@hotmail.com/classicfirearms.org)
   	Please leave this message in this script if you want to use it, thanks. */

	var max = 1500;
   	//var doc1 = document.box.textarea_name.value;     //The Value of the Msg to be calc.
   	var doc1 = document.getElementById(textarea_name).value;
   	var l = doc1.length + 1;
   	var ll = max - l +1;
  	if ( ll < 0 ) {
    	ll = 0;
    }
   	
   	document.getElementById('cnt').innerHTML = 'noch ' + ll +' Zeichen'    //Write the length, in bytes to the box
  	if (doc1.length>max-1) {
    	alert(max + ' Zeichen erreicht!');
   	}
}