function OpenWindow(url,awidth,aheight,aresize) {
	var w = (awidth)?awidth:600;
	var h = (aheight)?aheight:400;  
	var r = (aresize)?aresize:false;
	var S="resizable=yes,scrollbars=yes,toolbar=0,status=0,menubar=no,width="+eval(w)+",height="+eval(h);
	S=S.replace(/,/gi,"&");      
	var wWidth=QueryValue(S,"width")
	var wHeight=QueryValue(S,"height")
	var wLeft=(screen.width)?(screen.width-wWidth)/2:0;
	var wTop=(screen.height)?(screen.height-wHeight)/2:0;
	S=QueryReplace(QueryReplace(S,"left",eval(wLeft)),"top",eval(wTop)).replace(/&/gi,",");
	var newWindow=window.open(url, "widow", S); 
	if(parseInt(navigator.appVersion) >= 4)newWindow.window.focus();
}