// JavaScript Document
function zoomin(){
	if(parent.parent.document.body.style.zoom!=0) 
		parent.parent.document.body.style.zoom*=1.1; 
	else  
		parent.parent.document.body.style.zoom=1.1;
	
}

function zoomout(){
	if(parent.parent.document.body.style.zoom!=0) 
		parent.parent.document.body.style.zoom*=0.9; 
	else
		parent.parent.document.body.style.zoom=0.9;
}

function zoomrest(){
	if(parent.parent.document.body.style.zoom!=0) 
		parent.parent.document.body.style.zoom*=0; 
	else
		parent.parent.document.body.style.zoom=0;
}

function fenster(){
	var fensterhoehe;
	if(window.innerWidth){
		spacerhoehe = window.innerHeight;
		document.getElementById("strecker").height = spacerhoehe;
	}
	if(!window.innerWidth){
		spacerhoehe = screen.availHeight - 210;
		if(document.getElementById("strecker"))	document.getElementById("strecker").height = spacerhoehe;
	}
}

function showlayer(wertx, werty, nr){
	//alert("Übermittelte Werte für x= "+wertx+" und für Wert y = "+werty+"\nund für den Layer Nr.: "+nr);
	hidelayers();
	if(document.all){
		if(document.frames[0].document.images[0].width == 653){
			if(wertx > 448){
				document.getElementById("punktgrau"+nr).align = "right";
				var x = wertx-425;
				var y = werty-464;
			}else {
				var x = wertx-228;
				var y = werty-464;
			}
		} else if(document.frames[0].document.images[0].width == 511){
			if(wertx > 371){
				document.getElementById("punktgrau"+nr).align = "right";
				var x = wertx-355;
				var y = werty-768;
			}else {
				var x = wertx-158;
				var y = werty-768;
			}
		}
	}
	
	if(!document.all){
		//alert(window.framekarte.document.getElementById("kartenbild").id);
		if(window.framekarte.document.getElementById("kartenbild").width == 653){
			if(wertx > 448){
				document.getElementById("punktgrau"+nr).align = "right";
				var x = wertx-425;
				var y = werty-464;
			} else {
				var x = wertx-228;
				var y = werty-464;
			}
		} else if(window.framekarte.document.getElementById("kartenbild").width == 511){
			if(wertx > 371){
				document.getElementById("punktgrau"+nr).align = "right";
				var x = wertx-355;
				var y = werty-768;
			}else {
				var x = wertx-158;
				var y = werty-768;
			}
		}
	}
	
	var wer = "Lay"+nr;
	var anzahl = document.getElementsByTagName('div').length;
	
	for(z = 1; z < anzahl; z++){
		sollweg = "Lay"+z;
		document.getElementById(sollweg).style.visibility = "hidden";
		document.getElementById(sollweg).style.display = "none";
	}
	if(!document.all){
		document.getElementById(wer).style.left = x + "px";
		document.getElementById(wer).style.top = y + "px";
		document.getElementById(wer).style.display = "block";
	}
	if(document.all){
		document.getElementById(wer).style.left = x + "px"; 
		document.getElementById(wer).style.top = y + "px"; 
		document.getElementById(wer).style.display = "block";
	}
	document.getElementById(wer).style.visibility = "visible";
}

function hidelayers(){
	//alert(document.getElementsByTagName('div').length);
	var anzahl = document.getElementsByTagName('div').length+1;
	for(var i = 1; i < anzahl; i++){
		document.getElementById("Lay"+i).style.display = "none";
		document.getElementById("Lay"+i).style.visibility = "hidden";
	} 
}

function framehoehe(){
	if(window.innerHeight){
		if(window.innerHeight <= 1172){
			document.getElementById('kartenframe').style.height = window.innerHeight - 77 + "px";
		} else {
			document.getElementById('kartenframe').style.height = 885 + "px"
		}
	}
	
	if(!window.innerHeight){
		if(document.body.offsetHeight <= 1172){
			document.getElementById('kartenframe').style.height = document.body.offsetHeight - 77 + "px";
		} else {
			document.getElementById('kartenframe').style.height = 885 + "px";
		}
	}
}

function neuladen(){
	if(!document.all){
		location.href = location.href;
	} else if(document.all){
		document.location.href = document.location.href;
	}
}