function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		men_16_over = newImage("imgs/men_16_over.gif");
		men_17_over = newImage("imgs/men_17_over.gif");
		men_18_over = newImage("imgs/men_18_over.gif");
		men_19_over = newImage("imgs/men_19_over.gif");
		men_20_over = newImage("imgs/men_20_over.gif");
		men_21_over = newImage("imgs/men_21_over.gif");
		men_22_over = newImage("imgs/men_22_over.gif");
		men_23_over = newImage("imgs/men_23_over.gif");
		preloadFlag = true;
	}
}


function showMenu(item){ 
   if (item.style.display=='none'){
       item.style.display='';
    } else {
      item.style.display='none';
    }
}