// JavaScript Document
function NavMenu(imgid, imgswap){
	var imgpath = "images/";
	if(imgswap=="over"){
		switch(imgid){
			case 0:	document.imghome.src = imgpath + "menu_home1.jpg";	break;
			case 1: document.imgaboutus.src = imgpath + "menu_aboutus1.jpg"; 
					document.all.lyraboutus.style.visibility = "visible";
				break;
			case 2: document.imgservices.src = imgpath + "menu_services1.jpg";
					document.all.lyrservices.style.visibility = "visible";
				break;
			case 3: document.imgfaq.src = imgpath + "menu_faq1.jpg"; break;
			case 4: document.imgcontactus.src = imgpath + "menu_contactus1.jpg"; break;
		}
	}
	if(imgswap=="out"){
		switch(imgid){
			case 0:	document.imghome.src = imgpath + "menu_home.jpg";	break;
			case 1: document.imgaboutus.src = imgpath + "menu_aboutus.jpg";	break;
			case 2: document.imgservices.src = imgpath + "menu_services.jpg"; break;
			case 3: document.imgfaq.src = imgpath + "menu_faq.jpg"; break;
			case 4: document.imgcontactus.src = imgpath + "menu_contactus.jpg"; break;
		}
	}
	if((imgid>=-1 && imgid<=0) || (imgid>=2 && imgid<=4)) document.all.lyraboutus.style.visibility = "hidden";
	if((imgid>=-1 && imgid<=1) || (imgid>=3 && imgid<=8)) document.all.lyrservices.style.visibility = "hidden";	
}

var tmr_id = 0;
function SubMenuHide(speedtym){
	tmr_id = setTimeout('NavMenu(-1,\'\')', speedtym);
}
function CancelSubMenuHide(){
	clearTimeout(tmr_id);
}

function ClearSubMenu(){
	document.all.lyraboutus.style.visibility = "visible";
	document.all.lyrservices.style.visibility = "visible";
	document.all.lyraboutus.style.visibility = "hidden";
	document.all.lyrservices.style.visibility = "hidden";
}