/* called immediately after loading*/
Prototype.Browser.IE6 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 6;
Prototype.Browser.IE7 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 7;
Prototype.Browser.IE8 = Prototype.Browser.IE && !Prototype.Browser.IE6 && !Prototype.Browser.IE7;


/*adjust heights*/
Event.observe(window, 'load', function() {adjustTopMenuPopupItemsPositions(); positionTopMenuArrows();});
Event.observe(window, 'resize', function() {adjustTopMenuPopupItemsPositions();});


/* functions */
function adjustTopMenuPopupItemsPositions(){	
	$$('body div').each(function(s) {				
		if ((s.id+"").include("Menu")) {
			if (s.ancestors().size() == 4 && Prototype.Browser.IE6){				
				s.style.marginLeft =  /*parseInt(s.style.marginLeft) +*/ (s.ancestors()[3].getWidth()/*html element*/ -$('header').getWidth()/*header elment - positioned absolute*/ )/2 +"px";				
			}else if (s.ancestors().size() == 2){
				s.style.marginLeft =  /*parseInt(s.style.marginLeft) +*/ (s.ancestors()[1].getWidth()/*html element*/ -$('header').getWidth()/*header elment - positioned absolute*/ )/2 +"px";			
			}
		}
	});  

}

function positionTopMenuArrows(){
	$$('ul#nav li div a.with_submenu ').each(function(s) {						
		x = s.getWidth()-25;
		s.style.backgroundPosition = x+"px 34px";		
		//alert(s.style.backgroundImage);
	});  

}