function Rover(myImage){
	re = /image\/([a-zA-Z0-9_]*)\.gif/;
	myImage.src = myImage.src.replace(re,"image\/on_$1.gif");
	window.status = myImage.src;
}
function Rout(myImage){
	re = /image\/on_([a-zA-Z0-9_]*)\.gif/;
	myImage.src = myImage.src.replace(re,"image\/$1.gif");
	window.status = "[[[" + myImage.src;
}
function initImages(){
	var preIms = new Array();
	var iCount;
	re = /image\/([a-zA-Z0-9_]*)\.gif/;
	for (var i=0;i<document.images.length;i++){
		if (document.images[i].name.substring(0,1) == "_"){
			preIms[iCount] = new Image();	
			preIms[iCount].src = document.images[i].src.replace(re,"image\/on_$1.gif")
			iCount ++;
		}
	}
}
function pop(W,H,U,S){
		var x = screen.availHeight/2;
		var y = screen.availWidth/2;
		var X = x-(H/2);
		var Y = y-(W/2);
	window.open(U, 'Picture', 'resizable=yes,scrollbars='+S+',height='+H+',width='+W+',top='+X+',left='+Y+'');
}