function init() {
      if(document.images) { 
I01On=new Image();
I01Off=new Image();
I01On.src="../../images/menu/menu-info_1.gif"
I01Off.src="../../images/menu/menu-info.gif"
I02On=new Image();
I02Off=new Image();
I02On.src="../../images/menu/menu-events_1.gif"
I02Off.src="../../images/menu/menu-events.gif"
I03On=new Image();
I03Off=new Image();
I03On.src="../../images/menu/menu-plan_1.gif"
I03Off.src="../../images/menu/menu-plan.gif"
I04On=new Image();
I04Off=new Image();
I04On.src="../../images/menu/menu-expo_1.gif"
I04Off.src="../../images/menu/menu-expo.gif"
I05On=new Image();
I05Off=new Image();
I05On.src="../../images/menu/menu-visit_1.gif"
I05Off.src="../../images/menu/menu-visit.gif"
I06On=new Image();
I06Off=new Image();
I06On.src="../../images/menu/menu-contact_1.gif"
I06Off.src="../../images/menu/menu-contact.gif"
	ImagesLoaded=1;
      }
} 

function MouseOver(ImageName) { 
		if( ImagesLoaded== 0 ) return;
	 	document[ImageName].src=eval(ImageName + "On.src"); 
} 

function MouseOut(ImageName) { 
	    if( ImagesLoaded== 0 ) return;
            document[ImageName].src=eval(ImageName + "Off.src"); 
}