// JavaScript Document
var fensterbreite,fensterhoehe;
var actm, actsm;
if (self.innerHeight) // alle außer Explorer
{
 fensterbreite = self.innerWidth;
 fensterhoehe = self.innerHeight;
}
else if (document.documentElement && document.documentElement.clientHeight)
 // Explorer 6 Strict Mode
{
 fensterbreite = document.documentElement.clientWidth;
 fensterhoehe = document.documentElement.clientHeight;
}
else if (document.body) // andere Explorer
{
 fensterbreite = document.body.clientWidth;
 fensterhoehe = document.body.clientHeight;
}


function loadimg () {
	if (document.images) {
		m = new Array();
		mo = new Array();
		for (var i = 0; i <= 5; i++) 
		{
			m[i] = new Image();
			m[i].src = "img/b"+i+".png";
			mo[i] = new Image();
			mo[i].src = "img/b"+i+"i.png";
		}	
		sm = new Array();
		smo = new Array();
		for (i = 0; i <= 3; i++) 
		{
			sm[i] = new Image();
			sm[i].src = "img/bb"+i+".png";
			smo[i] = new Image();
			smo[i].src = "img/bb"+i+"i.png";
		}	
	}
	actm=-1;
	actsm=0;
}


function mroll (ob,stat) {
	var tmp = ob.id.substring(1,ob.id.length);
	if (ob.id.substring(0,1) == "m") {
		// hauptmenue
		for (var i = 0; i <= 4; i++) {
			// alle ausser actual auf grundzustand
			if (actm != i) document.getElementById("m"+i).firstChild.src = m[i].src;
		}	
		if (stat>0) {
			// rollin setze hi für aufrufer
			ob.firstChild.src = mo[tmp].src;
		}
		if (stat==2) {
			// click
			if (actm != -1) document.getElementById("m"+actm).firstChild.src = m[actm].src;
			actm=tmp;

			if (actm == 0) {
				document.getElementById("menu").style.visibility = "visible";
				document.getElementById("content").style.top = 128+"px";
				actsm=0;	
				document.getElementById("s"+actsm).firstChild.src = smo[actsm].src;
			}
			else {
				document.getElementById("menu").style.visibility = "hidden";
				document.getElementById("content").style.top = 100+"px";
			}
		}
	}
	else {
		// submenu
		for (var i = 0; i <= 3; i++) {
			// alle ausser actual auf grundzustand
			if (actsm!=i) document.getElementById("s"+i).firstChild.src = sm[i].src;
		}	
		if (stat>0) {
			// rollin setze hi für aufrufer
			ob.firstChild.src = smo[tmp].src;
		}
		if (stat==2) {
			// click
			//alert(actsm + ":" +tmp);
			document.getElementById("s"+actsm).firstChild.src = sm[actsm].src;
			actsm=tmp;	
			
				
		}
	}
}

function changesize () 
{
top.document.getElementById("content").style.top = 0+"px";
top.document.getElementById("content").style.left = 0+"px";
top.document.getElementById("content").style.width =  100+"%";
top.document.getElementById("content").style.height = 100 + "%";
}   

function zwei()
{
top.document.getElementById("content").style.top = 128+"px";
top.document.getElementById("content").style.left = 40+"px";
top.document.getElementById("content").style.width =  780 + "px";
top.document.getElementById("content").style.height = 300 + "px";
top.document.getElementById("content").src ='gal_leinwand.html';
}
function drei()
{
top.document.getElementById("content").style.top = 128+"px";
top.document.getElementById("content").style.left = 40+"px";
top.document.getElementById("content").style.width =  780 + "px";
top.document.getElementById("content").style.height = 300 + "px";
top.document.getElementById("content").src ='gal_brett1.html';
}
function vier()
{
top.document.getElementById("content").style.top = 128+"px";
top.document.getElementById("content").style.left = 40+"px";
top.document.getElementById("content").style.width =  780 + "px";
top.document.getElementById("content").style.height = 300 + "px";
top.document.getElementById("content").src ='gal_papier.html';
}
function fuenf()
{
top.document.getElementById("content").style.top = 128+"px";
top.document.getElementById("content").style.left = 40+"px";
top.document.getElementById("content").style.width =  780 + "px";
top.document.getElementById("content").style.height = 300 + "px";
top.document.getElementById("content").src ='gal_projekt.html';
}