function visible(divName){
	if(document.getElementById)
	{document.getElementById(divName).style.visibility ="visible";}
	else if(document.all)
	{document.all[divName].style.visibility ="visible";}
	else if(document.layers)
	{document.layers[divName].visibility ="visible";	}}

function hidden(divName){
	if(document.getElementById)
	{document.getElementById(divName).style.visibility= "hidden";}
	else if(document.all)
	{document.all[divName].style.visibility ="hidden";}
	else if(document.layers)
	{document.layers[divName].visibility ="hidden";}}


function ImgSwap(imgname, filesrc)
	{
	document.getElementById(imgname).src = filesrc
	
	}