/*   Copyright 2002 by Stephan Schirmer
 *   Letzte ´nderung am 03.12.2002
 *   Alle Rechte vorbehalten.
 * 
 *   DOM 1.0 Version 
 */

var IconX,IconY,is;

var linkerRand = 12;
var rechterRand = 432;
var obigerRand = 58;
var untigerRand = 359;
var halbeKachel= 60;
   
function init() {

if (parent.is.ns4) {
    document.captureEvents(Event.MOUSEMOVE | Event.MOUSEDOWN);
}
	
document.onmousemove=showKoords;
document.onmousedown=go;

   
}
   
function showKoords(evnt) {

	   
        if (parent.is.ns4) {
	IconX = evnt.pageX;
	IconY = evnt.pageY;
	
	}
	else if (parent.is.ie4) {
	IconX = event.clientX + document.body.scrollLeft;
	IconY = event.clientY + document.body.scrollTop;
	
	}
	else if(parent.is.dom) {
	IconX = evnt.clientX;
	IconY = evnt.clientY;
        }
	
	if (IconX<rechterRand && IconX>linkerRand && IconY>obigerRand && IconY<untigerRand) {
	    
	    links = ((Math.floor((IconX-linkerRand)/halbeKachel))*halbeKachel)+linkerRand;
	    oben = ((Math.floor((IconY-obigerRand)/halbeKachel))*halbeKachel)+obigerRand;
	    
	    if (links>(rechterRand-(2*halbeKachel))) {links=(rechterRand-(2*halbeKachel))}
	    if (oben>(untigerRand-(2*halbeKachel))) {oben=(untigerRand-(2*halbeKachel))}
	    	    
	    if (parent.is.ns4) {
		document.layers["Rahmen"].visibility = "visible";
		document.layers["Rahmen"].left = links;
		document.layers["Rahmen"].top = oben;
	    }
	    else if(parent.is.ie4) {
		document.all["Rahmen"].style.visibility = "visible";
		document.all["Rahmen"].style.pixelLeft = links;
		document.all["Rahmen"].style.pixelTop = oben;
	    }
	    else if(parent.is.dom) {
	        document.getElementById("Rahmen").style.visibility = "visible";
	        document.getElementById("Rahmen").style.top = oben;
	        document.getElementById("Rahmen").style.left = links;
	    }
	    
	} else {
	    if (parent.is.ns4) {
		document.layers["Rahmen"].visibility = "hidden";
	    }
	    else if(parent.is.ie4) {
		document.all["Rahmen"].style.visibility = "hidden";
	    }
	}
}

function go() {
    
        

	if (IconX<rechterRand && IconX>linkerRand && IconY>obigerRand && IconY<untigerRand) {
	    
	    links = (Math.floor((IconX-linkerRand)/halbeKachel));
	    oben = (Math.floor((IconY-obigerRand)/halbeKachel));
	    
	    
	    if (links>5) {links=5}
	    if (oben>3) {oben=3}
	    
	    var nummer = ((oben*100)+5000)+(links+1)
	    location.href="karte.htm?"+nummer;
	    
	}
}