function openWindow(theURL,winName,winWidth,winHeight) { //v2.0
  window.open(theURL,winName,'scrollbars=yes,toolbar=yes,location=no,menubar=yes,resizable=yes,width='+ winWidth +',height='+ winHeight +',left=200,top=50');
  }
   
function SwapOut(btn,type,width,height){
	img_out = new Image(width,height)
	img_out.src = "images/" + btn + "_RO" + type
	document.getElementById(btn).src = img_out.src ;
	}	
		
function SwapBack(btn,type,width,height){
	img_back = new Image(width,height)
	img_back.src = "images/" + btn + type
	document.getElementById(btn).src = img_back.src ;
	}