function lib_bwcheck(){ 
        this.ver=navigator.appVersion
        this.agent=navigator.userAgent
        this.dom=document.getElementById?1:0
        this.opera5=this.agent.indexOf("Opera 5")>-1
        this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0;
        this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
        this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
        this.ie=this.ie4||this.ie5||this.ie6
        this.mac=this.agent.indexOf("Mac")>-1
        this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
        this.ns4=(document.layers && !this.dom)?1:0;
        this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
        return this
}
var bw=new lib_bwcheck();


function xy() {
	if (bw.ie) {
	        $x = document.body.offsetWidth;
		$y = document.body.offsetHeight;
	} else {
		$x = window.innerWidth;
		$y = window.innerHeight;
	}
        //document.getElementById("MyBody").style.backgroundImage = "url(/php/img.php?file=pano.jpg&w="+$x+"&h="+$y+")";
        document.getElementById("MyBody").style.backgroundImage = "url(/php/img.php?file=panoweb_50.jpg&w="+$x+"&h="+$y+")";
}

var bv=0;
if (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4 )) ||
    ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))) {
  bv = 3;
}

if (bv==3) {

        f=window;
        fck=false;
        var uuri = wwidth = hheight = "";
        ffopen=new Function("f = window.open(uuri,'popup','width='+wwidth+',height='+hheight+',screenX=50,left=50,screenY=70,top=70,resizable=yes,scrollbars=no,status=no,menubar=no,toolbar=no,location=no,');");

}