function vismenu(blnFirstRun){  
    var divs;
    divs=document.getElementsByTagName("div");

    for(n=0;n<divs.length;n++){
        if (divs[n].name == 'undermenu'){
            divs[n].style.visibility = 'visible';
            divs[n].style.visibility = 'hidden'; 
        }
    }

	if (blnFirstRun){
		timerID=setTimeout('vismenu(false)',1200);
	}
}

var myDelay
function menuOnMouseOUT(action, id) {
	myDelay = setTimeout('menuOnMouseOver("'+action+'",'+id+')', 100);
}

function menuOnMouseOver(action,id) {
	var blnFindes = false;
	var divs;
	var undermenuid;
	clearTimeout(myDelay);

	if (action == 'show'){
      	//Skjul alle andre
		divs=document.getElementsByTagName("div");
		for(n=0;n<divs.length;n++){
		    undermenuid = divs[n].id;
			if (id!=parseInt(undermenuid)){
				if (divs[n].id > 1000){	            
					divs[n].style.visibility = 'hidden'; 					
				    document.getElementById('menu'+undermenuid).className = 'menu_out';
		        }
            }
		}
		//Vis valgt menu
   		document.getElementById(id).style.visibility = 'visible';
	}

	if (action == 'hide'){
		//Skjul valgt menu
   		document.getElementById(id).style.visibility = 'hidden';
   		document.getElementById('menu'+id).className = 'menu_out';
	}
}