var isWindows 	= (navigator.platform.toLowerCase().indexOf("win") != -1) ? true : false; // Windows
var isMac 		= (navigator.platform.toLowerCase().indexOf("mac") != -1) ? true : false; // Mac
var ie 			= (document.all && navigator.appVersion.substring(0,1) >= 4) ? true : false; // IE 4+
var ns4 		= (document.layers) ? true : false; // Netscape 4.x
var ns6 		= (document.getElementById && !document.all) ? true : false; // Netscape 6


function diGetLayerString(layername) { // ermittelt browserabhängigen Layeraufruf		
	if (ns4) {
		layer = eval("document.layers['" + layername + "']");
		return (layer);
		}
 	else if (ie) {
		layer = eval("document.all." + layername + ".style");
    	return (layer);
  		}
	else if (ns6) {
    	layer = eval("document.getElementById(layername).style");
    	return (layer);
  		}
 	else {
		return (null);
		}
	}
	
	
function diMoveLayers(name,x) { // verschiebt Layer an gewünschte Position		
  	var layer = diGetLayerString(name);
  	if (ns4) {
  		layer.moveTo(x,layer.top);
		}
 	else if (ie) {
		layer.left = x;
		}
	else if (ns6) {
    	layer.left = x + "px";
		}
	}


function diSetLayers() { // ermittelt Position, an der die Layer stehen sollen		
	var myWinWidth = 0; // Fensterbreite
	if (ns4 || ns6) {
 		myWinWidth = window.innerWidth;
		}
	else {
		myWinWidth = document.body.offsetWidth - 2;
		}

	if (myWinWidth > 840) {
		leftSpace = (myWinWidth - 840 - 17) / 2; //  - Tabellenbreite - Scrollbalken
		if (isMac && ie) {
			leftSpace += 9;
			}
		if (isMac && ns4) {
			leftSpace += 8;
			}
		if (ns6) {
			leftSpace += 1;
			}
		}
	else {
		leftSpace = 0;
		}
		
	// hier werden die Layer-Positionen dynamisch bestimmt
	diMoveLayers('layservice',leftSpace + 236);
	diMoveLayers('laydaten',leftSpace + 250);
	diMoveLayers('layfeedback',leftSpace + 330);
	}
	
		
function diShowHideLayers(myLayer,modus) { // blendet Layer ein oder aus; Version 21.07.03			
	var myMenue = new Array ('layservice',
							'laydaten',
							'layfeedback');
	
	var visible = (ns4) ? 'show' : 'visible';
	var hidden = (ns4) ? 'hide' : 'hidden';
	if (modus == "") {
		for (i=0; i<myMenue.length; i++) {
			if (myLayer != "") {
				eval ('if (window.hide' + myLayer + ') window.clearTimeout(hide' + myLayer + ');');
				}
			diGetLayerString(myMenue[i]).visibility = hidden;
			}
		if (myLayer != "") {
			diGetLayerString(myLayer).visibility = visible;
			}
		}
	else if (modus == "hide") {
		diGetLayerString(myLayer).visibility = hidden;
		}		
	}
	
		
function diHideLayers(layername) { // blendet Layer aus		
	var hideTime = 800; // Zeit in Millisekunden, nach der ein Layer ausgeblendet wird
	var hideString = "diShowHideLayers('" + layername + "','hide')";
	eval ("hide" + layername + "=setTimeout(\"" + hideString + "\",hideTime)");
	}	





function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
	}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}
	

// Standard Popup-Fenster
	
function popUp(file,props) {
	myPopUp = window.open(file,'myPopUp',props);
	if (myPopUp.focus) {
		myPopUp.focus();
		}
	}
	
// Popupfenster zur Vergroesserung eines Bildes
function showPic(filename,filewidth,fileheight) {
	if (!filewidth || filewidth == "") {
		width = 300;
		}
	else {
		width = filewidth;
		}
	if (!fileheight || fileheight == "") {
		height = 300;
		}
	else {
		height = fileheight;
		}
	picwin = window.open('/global/showpic.php?filename=' + filename +
						'&filewidth=' + filewidth + '&fileheight=' +
						fileheight,'picwin','width=' + width + ',height=' + height);
	if (picwin.focus) {
		picwin.focus();
		picwin.resizeTo(width + 10,height + 36);
		}	
	}
	
//-->