// Link looks like <a href="javascript:popUp('myurl.html');">Click Me</a>

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=450,height=400,left = 415,top = 312');");
}