var imageRestoreDelay=500;
var timeOn = null;
var imgName = "home_image";

if (document.images) {
  var footerGif_off = new Image();
  footerGif_off.src = "../../general/images/footer_animation_off.gif";
  var footerGif_on = new Image();
  footerGif_on.src = "../../general/images/footer_animation_on.gif";

  var menu_triangle = new Image();
  menu_triangle.src = "../../general/images/tri_right.gif";

}

function positionFlashLayer(){
	var LayerTop=131;
	var LayerLeft=2;
	
	if(document.all){
		if(document.all.flashLayer) {
			document.all.flashLayer.style.visibility="visible"; 
			document.all.flashLayer.style.top=LayerTop; 
			document.all.flashLayer.style.left=LayerLeft;
		}
	}
	if(document.layers){
		if(document.flashLayer) {
			document.flashLayer.visibility="visible"; 
			document.flashLayer.top=LayerTop;
			document.flashLayer.left=LayerLeft;
		}
	}
	if(document.all && document.getElementById){
		if(document.getElementById("flashLayer")) {
			document.getElementById("flashLayer").style.visibility="visible";
			document.getElementById("flashLayer").style.top=LayerTop;
			document.getElementById("flashLayer").style.left=LayerLeft;
		}
	}
	if(!document.all && document.getElementById){
		if(document.getElementById("flashLayer")) {
			document.getElementById("flashLayer").style.visibility="visible";
			document.getElementById("flashLayer").style.top=LayerTop;
			document.getElementById("flashLayer").style.left=LayerLeft;
		}
	}
}

function hideFlashLayer() {
	if(document.all){
		if(document.all.flashLayer) {
			document.all.flashLayer.style.visibility="hidden"; 
		}
	}
	if(document.layers){
		if(document.flashLayer) {
			document.flashLayer.visibility="hidden"; 
		}
	}
	if(document.all && document.getElementById){
		if(document.getElementById("flashLayer")) {
			document.getElementById("flashLayer").style.visibility="hidden";
		}
	}
	if(!document.all && document.getElementById){
		if(document.getElementById("flashLayer")) {
			document.getElementById("flashLayer").style.visibility="hidden";
		}
	}
}

function showMenuMask() {
	hideFlashLayer();
	if (document.images["home_image"].src) {
		if (timeOn != null) {
			clearTimeout(timeOn);
		}
		document[imgName].src = eval(imgName + "_off.src");
	}
}

function startTimer() {
	if (document.images["home_image"].src) {
		timeOn = setTimeout("hideMenuMask()",imageRestoreDelay);
	}
}

function hideMenuMask() {
	document[imgName].src = eval(imgName + "_on.src");
}