// JavaScript Document
<!--
 function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',noresize'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

// -->
// trigger code
//<a href="popup.html" class="style" onclick="NewWindow(this.href,'name','450','460','yes');return false;">set link</a>