var ns4, ie4, ns6, posx, posy, xpos, ypos, px, py, breite, hoehe,e;
var alter = "";
var zeit, an, aus, aktuellx, aktuelly, kleben, ve;

ie4 = document.all;
ns6 = document.getElementById && !document.all;

function init() {
	document.ondblclick = startbewegen;
	document.onmousemove = koordinaten;
}
function pruefen(idname,xpo,ypo,breite,hoehe,verzoegerung)
{
	ve = verzoegerung;
	px = xpo;
	py = ypo;
	xb = breite;
	yb = hoehe;
	an = idname;
	clearTimeout(zeit);
	if (alter && alter != an)
        {
        	verstecken(alter);
        	zeit = setTimeout("zeigen(an,px,py,xb,yb)",ve);
         } else
        	zeit = setTimeout("zeigen(an,px,py,xb,yb)",ve);
	alter = idname;        
}
function layeraus(idname,verzoegerung)
{
	ve = verzoegerung;
	aus = idname;
	zeit = setTimeout("verstecken(aus)",ve);
	alter = idname;
}
function zeigenzwo(idname1,idname2) {
	zeigen(idname1);
	zeigenohne(idname2);
}
function zeigenohne(idname) {
	if (ns6){ 
		if(document.getElementById(idname)) {
			document.getElementById(idname).style.visibility = "visible";
		}
	}
	if (ie4){
		if(document.all[idname]) {
			document.all[idname].style.visibility = "visible"; 
		}
	}
}

function zeigen(idname) {
	if(alter){
		if(ns6){
			if(document.getElementById(alter)){
				verstecken(alter);
			}
		}
		if (ie4){
			if(document.all[alter]){
				verstecken(alter);
			}
		}
	}
	if (ns6){ 
		if(document.getElementById(idname)) {
			document.getElementById(idname).style.visibility = "visible";
		}
	}
	if (ie4){
		if(document.all[idname]) {
			document.all[idname].style.visibility = "visible"; 
		}
	}
	alter=idname;
}
function versteckenohne(idname) {
	if(idname){
		if(ns6){
			if(document.getElementById(idname)){
				document.getElementById(idname).style.visibility = "hidden";
			}
		}
		if (ie4){
			if(document.all[idname]){
				document.all[idname].style.visibility = "hidden"; 
			}
		}
	}
}

function verstecken(idname) {
	if(idname){
		if(ns6){
			if(document.getElementById(idname)){
				document.getElementById(idname).style.visibility = "hidden";
			}
		}
		if (ie4){
			if(document.all[idname]){
				document.all[idname].style.visibility = "hidden"; 
			}
		}
	}
	alter="";
}
function farbe(idname,farb,bgcol)
{
	if(ie4)
		if(document.all[idname]) {
			document.all[idname].style.color = farb;
			document.all[idname].style.background = bgcol;
		}		            
	if(ns6)
		if(document.getElementById(idname)) {
			document.getElementById(idname).style.color = farb;
			document.getElementById(idname).style.background = bgcol;
		}
}
function zeigenmousepos(idname) {

	if(alter){
		if(ns6){
			if(document.getElementById(alter)){
				verstecken(alter);
			}
		}
		if (ie4){
			if(document.all[alter]){
				verstecken(alter);
			}
		}
	}
	
	if (ns6){ 
		if(document.getElementById(idname)) {
			document.getElementById(idname).style.visibility = "visible";
		}
	}
	if (ie4){
		if(document.all[idname]) {
			document.all[idname].style.visibility = "visible"; 
		}
	}
	alter=idname;
	if (ie4){
		document.all[idname].style.left = event.clientX;
		document.all[idname].style.top = event.clientY;
	}else{
		document.getElementById(idname).style.left = window.event.pageX;
		document.getElementById(idname).style.top = window.event.pageY;
	}
}

function koordinaten(e) {
	xpos = (document.getElementById && !document.all) ? e.pageX : document.body.scrollLeft + event.clientX;
	ypos = (document.getElementById && !document.all) ? e.pageY : document.body.scrollTop + event.clientY;
}
function startbewegen(e){
	idname = ie4? event.srcElement.id : e.target.id;
	if (idname != "") {
		posx = ie4? event.clientX : e.clientX;
		posy = ie4? event.clientY : e.clientY;
		aktuellx = ns6? parseInt(document.getElementById(idname).style.left) : parseInt(document.all[idname].style.left);
		aktuelly = ns6? parseInt(document.getElementById(idname).style.top) : parseInt(document.all[idname].style.top);
		kleben = true;
		document.onmousemove = bewegen;
		document.ondblclick = new Function("kleben=false");
	}
}
function bewegen(e){
	koordinaten(e);
	if (kleben) {
		if (ie4){
			document.all[idname].style.left = aktuellx + event.clientX - posx;
			document.all[idname].style.top = aktuelly + event.clientY - posy;
		}
		if (ns6){ 
			document.getElementById(idname).style.left = Number(aktuellx + e.clientX - posx);
			document.getElementById(idname).style.top = Number(aktuelly + e.clientY - posy);
		}
	}
	else init();
	return true;
}

function open_popup(url,name,width,height,resizeable){
	fenster = window.open(url, name, "width="+width+",height="+height+",resizable="+resizeable);
 	fenster.focus();
 	return false;

}