// ROLLOVER SCRIPTAGE FOR MAIN NAV ==========
function imageLoader(a) {
	if (document.images) {
		if (!document.p) document.p=new Array();
		var i, j=document.p.length;	
		for (i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0) { document.p[j] = new Image; document.p[j++].src = a[i]; }
	}
}
function preloadImages() {
	imageLoader(preloadArray);
}


// start preloading images after page load
if (window.addEventListener) {
	window.addEventListener("load", preloadImages, true);
} else if (window.attachEvent) {
	window.attachEvent("onload", preloadImages);
} else {
	window.onload = preloadImages;
}


HOVER_X = "_on"; // mouse-over extension
// USAGE: swap(this, ['newimage.gif'])
function swap(i) {
	if (document.images && i.childNodes) {
		var a = swap.arguments[1], s = i.childNodes[0];
		if (a) s.src = a;
		else {
			var x = s.src.lastIndexOf('.'), xl = HOVER_X.length;
			if (s.src.substring(x-xl, x) == HOVER_X)
				s.src = s.src.substring(0,x-xl)+s.src.substring(x,s.src.length);
			else s.src = s.src.substring(0,x)+HOVER_X+s.src.substring(x,s.src.length);
		}
	}
}


// ================  DHTML MENU FUNCTIONS ====================

function showMenu(x) {
	var tab = "tab"+x;
	var menu = "menu"+x;

	if(document.all) {
	
		tab1.style.visibility = "hidden";
		tab2.style.visibility = "hidden";
		tab3.style.visibility = "hidden";
		tab4.style.visibility = "hidden";
		tab5.style.visibility = "hidden";
		tab6.style.visibility = "hidden";
	
		menu1.style.visibility = "hidden";
		menu2.style.visibility = "hidden";
		menu3.style.visibility = "hidden";
		menu4.style.visibility = "hidden";
		menu5.style.visibility = "hidden";
		menu6.style.visibility = "hidden";
	
	
		if(document.all[tab]!=null) {
			document.all[tab].style.visibility = "visible";
		}
		
		if(document.all[menu]!=null) {
			document.all[menu].style.visibility = "visible";
		}

		document.all['CloserLayer'].style.visibility = "visible";

	} else if(document.getElementById) {
	
		document.getElementById('tab1').style.visibility = "hidden";
		document.getElementById('tab2').style.visibility = "hidden";
		document.getElementById('tab3').style.visibility = "hidden";
		document.getElementById('tab4').style.visibility = "hidden";
		document.getElementById('tab5').style.visibility = "hidden";
		document.getElementById('tab6').style.visibility = "hidden";
	
		document.getElementById('menu1').style.visibility = "hidden";
		document.getElementById('menu2').style.visibility = "hidden";
		document.getElementById('menu3').style.visibility = "hidden";
		document.getElementById('menu4').style.visibility = "hidden";
		document.getElementById('menu5').style.visibility = "hidden";
		document.getElementById('menu6').style.visibility = "hidden";
	
	
	
		if(document.getElementById(tab)!=null) {
			document.getElementById(tab).style.visibility = "visible";
		}
	
		if(document.getElementById(menu)!=null) {
			document.getElementById(menu).style.visibility = "visible";
		}
	
		document.getElementById('CloserLayer').style.visibility = "visible";
	}
}

function showSubMenu(x) {
	var sub = "sub"+x;
	if(document.all) {
	
//		sub11.style.visibility = "hidden";

		if(document.all[sub]!=null) {
			document.all[sub].style.visibility = "visible";
		}

	} else if(document.getElementById) {
	
//		document.getElementById('sub11').style.visibility = "hidden";
	
	if(document.getElementById(sub)!=null) {
		document.getElementById(sub).style.visibility = "visible";
		}
	}
}

function hideSubMenu(x) {
	var sub = "sub"+x;
	if(document.all) {
	
//		sub11.style.visibility = "visible";

		if(document.all[sub]!=null) {
			document.all[sub].style.visibility = "hidden";
		}

	} else if(document.getElementById) {
	
//		document.getElementById('sub11').style.visibility = "visible";
	
	if(document.getElementById(sub)!=null) {
		document.getElementById(sub).style.visibility = "hidden";
		}
	}
}


function closeAll() {
	if(document.all) {
	
		tab1.style.visibility = "hidden";
		tab2.style.visibility = "hidden";
		tab3.style.visibility = "hidden";
		tab4.style.visibility = "hidden";
		tab5.style.visibility = "hidden";
		tab6.style.visibility = "hidden";
	
		menu1.style.visibility = "hidden";
		menu2.style.visibility = "hidden";
		menu3.style.visibility = "hidden";
		menu4.style.visibility = "hidden";
		menu5.style.visibility = "hidden";
		menu6.style.visibility = "hidden";
	
	
	document.all['CloserLayer'].style.visibility = "hidden";

	} else if(document.getElementById) {
	
		document.getElementById('tab1').style.visibility = "hidden";
		document.getElementById('tab2').style.visibility = "hidden";
		document.getElementById('tab3').style.visibility = "hidden";
		document.getElementById('tab4').style.visibility = "hidden";
		document.getElementById('tab5').style.visibility = "hidden";
		document.getElementById('tab6').style.visibility = "hidden";
	
		document.getElementById('menu1').style.visibility = "hidden";
		document.getElementById('menu2').style.visibility = "hidden";
		document.getElementById('menu3').style.visibility = "hidden";
		document.getElementById('menu4').style.visibility = "hidden";
		document.getElementById('menu5').style.visibility = "hidden";
		document.getElementById('menu6').style.visibility = "hidden";



		document.getElementById('CloserLayer').style.visibility = "hidden";
	}
}
function pop(url) {
  link = window.open(url,"pop","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=630,height=500,left=25,top=25");
}