Normal1 = new Image();
Normal1.src = "images/front_menu_sales.gif";    
Highlight1 = new Image();
Highlight1.src = "images/front_menu_sales_aktiv.gif"; 

Normal2 = new Image();
Normal2.src = "images/front_menu_trading.gif";    
Highlight2 = new Image();
Highlight2.src = "images/front_menu_trading_aktiv.gif"; 

Normal3 = new Image();
Normal3.src = "images/front_menu_waste.gif";    
Highlight3 = new Image();
Highlight3.src = "images/front_menu_waste_aktiv.gif"; 

Normal4 = new Image();
Normal4.src = "images/front_menu_congress.gif";    
Highlight4 = new Image();
Highlight4.src = "images/front_menu_congress_aktiv.gif"; 

function Bildwechsel(Bildnr,Bildobjekt)
	{
 		window.document.images[Bildnr].src = Bildobjekt.src;
	}



function openWindow(url,m_left,m_top,m_width,m_height) 
	{    
		msgWindow=window.open(url,"Zoom","left="+m_left+",top="+m_top+",width="+m_width+",height="+m_height+",resizable=0,toolbar=0,menubar=0,status=0,directories=0,scrollbars=no,statusbar=0");
        msgWindow.window.focus();
    }