function new_window (source,title) {
	window.open (source, title,"scrollbars=0,width=600px,height=667px");
	}

function hide()
{
document.getElementById("fade").style.visibility="hidden";
document.getElementById("mainImage").style.visibility="hidden";
}

function show()
{
document.getElementById("fade").style.visibility="visible";
document.getElementById("mainImage").style.visibility="visible";
document.getElementById("fade").style.height=document.body.scrollHeight;
document.getElementById("fade").style.width=document.body.scrollWidth;
}

function centerScroll()
{
document.getElementById("mainImage").style.top=document.body.scrollTop+143;
}