function init(){
        // Variabel deklaration
    
   
    	var leftMenuDivHeight  = 0;
        var mainAreaDivHeight  = 0;
        var rightMenuDivHeight = 0;
        var contentDivHeight   = 0;
        var ie7ExtraHeight     = 13; //px
    	var isIE  = (navigator.appName.indexOf("Microsoft Internet Explorer") != -1) ? true : false;
    	
    	
    	if((document.getElementById('mainareadiv') != null) && 
    	   (document.getElementById('rightmenudiv') != null)){
            
            mainAreaDivHeight = document.getElementById('mainareadiv').offsetHeight;
            rightMenuDivHeight = document.getElementById('rightmenudiv').offsetHeight;
            
            
            var absoluteHeight = Math.max(rightMenuDivHeight, mainAreaDivHeight);
            
            //alert("absoluteHeight = " +absoluteHeight +"\n" +"rightMenuDivHeight = " +rightMenuDivHeight +"\n" +"mainAreaDivHeight = " +mainAreaDivHeight); 
            
            //Högerlistningen är störst
            if(rightMenuDivHeight == absoluteHeight)
            {
                document.getElementById('mainareadiv').style.height = absoluteHeight +"px";
            }
        }

}