function fenster_h(url,name)
		{
   		window.open( url,name,'width=770,height=550,left=0,top=0,scrollbars=0' ); 	
		}
		function fenster_skizze(url,name)
		{
   		window.open( url,name,'width=512,height=500,left=0,top=0,scrollbars=0' ); 	
		}
		function fenster_b(url,name)
		{
   		window.open( url,name,'width=570,height=700,left=0,top=0,scrollbars=1' ); 	
		}
		function fenster_g(url,name)
		{
   		window.open( url,name,'width=420,height=440,left=0,top=0,scrollbars=0' ); 	
		}	
		function fenster_gr(url,name)
		{
   		window.open( url,name,'width=400,height=300,left=0,top=0,scrollbars=0' ); 	
		}			
					
		function swap( Bildname, Bildobjekt )  
		{   
		// Bildwechlse nicht beim aktuellen Menupunkt durchfuehren
		if (act_bildname != Bildname) {
			
			// alert(act_bildname);
			self.document.images[Bildname].src = Bildobjekt.src;
		}
		}

		function change( Bildname, Bildobjekt ) {
		var old_bildname = act_bildname;
		var old_bildobjekt = act_bildobjekt;
	
		act_bildname = Bildname;
		act_bildobjekt = Bildobjekt;
	
		if (old_bildname != '') {
		swap(old_bildname, old_bildobjekt);
		}
		}	
		
		
		
		function swap2( Bildname2, Bildobjekt2 )  
		{   
		// Bildwechlse nicht beim aktuellen Menupunkt durchfuehren
		if (act_bildname2 != Bildname2) {
			
			// alert(act_bildname);
			self.document.images[Bildname2].src = Bildobjekt2.src;
		
		}
		}

		function change2() {
		
		if (old_bildname2 != '') {
		alert(old_bildname2)
		self.document.images[old_bildname2].src = old_bildobjekt2.src;
	
		}
		}	


function acrobatWeg()
{
	

	if (document.all) 
	{
		document.all[acrobat2].style.visibility = "hidden";
		document.all[acrobat2].style.display = "none";
		
	}
        
	else if (document.layers) 
	{
		document.layers[acrobat2].visibility = "hide";
		document.layers[acrobat2].display = "none";
	}

	else if (document.getElementById) 
	{
		document.getElementById(acrobat2).style.visibility = "hidden";
		document.getElementById(acrobat2).style.display = 'none';
	}
	
}

function zeigacrobat(acrobat2) 
{

	if (document.all) 
	{
		if(document.all[acrobat2].style.display = 'none')
		{
		document.all[acrobat2].style.display = "block";
		document.all[acrobat2].style.visibility = "visible";
		}
		
	}
        
	if (document.layers) 
	{
		if(document.layers[acrobat2].display = 'none')
		{
		document.layers[acrobat2].display = "block";
		document.layers[acrobat2].visibility = "show";
		}
		
		
	}

	if (document.getElementById) 
		{
		 if(document.getElementById(acrobat2).style.display = 'none')
				{
				document.getElementById(acrobat2).style.display = 'block';
				document.getElementById(acrobat2).style.visibility = "visible";
				}
			
		}
		
	}
	function zeit() 
	{
		
		window.setTimeout("acrobatWeg()",7000);
		acrobat2 = 'acrobat';
	}