// scripts.js

function popWindow(choice,myWidth,myHeight,myScrollbars,myTop,myLeft,myMenubar) {
window.open (choice, "","width="+myWidth+",height="+myHeight+",scrollbars="+myScrollbars+",top="+myTop+",left="+myLeft+",menubar="+myMenubar+",bgcolor=#ffffff,resizable=yes");
}

var last_div="";
function showDiv(div_info) {
    if(last_div!="")document.getElementById(last_div).style.display = 'none';
	if(div_info!=""){
		document.getElementById(div_info).style.display = 'block';
		last_div=div_info;
	}
}