home0 = new Image(); home0.src = "images/home0.gif";
organization0 = new Image(); organization0.src = "images/organization0.gif";
events0 = new Image(); events0.src = "images/events0.gif";
membership0 = new Image(); membership0.src = "images/membership0.gif";
societies0 = new Image(); societies0.src = "images/societies0.gif";
journal0 = new Image(); journal0.src = "images/journal0.gif";
examination0 = new Image(); examination0.src = "images/examination0.gif";
contact0 = new Image(); contact0.src = "images/contact0.gif";
links0 = new Image(); links0.src = "images/links0.gif";
home1 = new Image(); home1.src = "images/home1.gif";
organization1 = new Image(); organization1.src = "images/organization1.gif";
events1 = new Image(); events1.src = "images/events1.gif";
membership1 = new Image(); membership1.src = "images/membership1.gif";
societies1 = new Image(); societies1.src = "images/societies1.gif";
journal1 = new Image(); journal1.src = "images/journal1.gif";
examination1 = new Image(); examination1.src = "images/examination1.gif";
contact1 = new Image(); contact1.src = "images/contact1.gif";
links1 = new Image(); links1.src = "images/links1.gif";

function norm ( imgName )
	{
		imgDown=eval(imgName+"0.src");
		document[imgName].src=imgDown;
	}

function over ( imgName )
	{
		imgDown=eval(imgName + "1.src");
		document[imgName].src=imgDown;
	}


var active = "";
var timer
document.onclick = new Function("close(active)");

function getObj(name)
{
	if (document.getElementById)
	{
		return document.getElementById(name).style;
	}
	else if (document.all)
	{
		return document.all[name].style;
	}
	else if (document.layers)
	{
		return document.layers[name];
	}
}



function show( el )
{	
		if (active)
		{
			close(active);
			clearTimeout(timer); 

		}
		x =getObj( el ); 
		x.visibility = "visible";
		timer = setTimeout('(x.visibility = "hidden")', 7000);
		active = el;
}

function close(el)
{
	if (active)  
	{
		x = getObj(el);
		x.visibility= "hidden";
		active=""
	}
}

function no()
{
	if (active)
	{
		close(active);
		clearTimeout(timer); 
	}
	
}