function browse_check() {
this.ver=navigator.appVersion; this.agent=navigator.userAgent; this.dom=document.getElementById?1:0;
this.opera5=(window.opera&&this.dom)?1:0; this.opera6=(this.opera5&&window.print)?1:0; this.opera7=(this.opera5&&document.readyState)?1:0;
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.ie7=(this.ver.indexOf("MSIE 7")>-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.ie7; 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.ie7||this.ie6||this.ie5||this.ie4||this.ns4||this.ns6||this.opera5||this.opera6||this.opera7); return this; }
bw=new browse_check();

//Разрешение экрана (start)
function ClientBrowse() {
this.widthScr=0; this.heightScr=0;
if (self.screen) { this.widthScr=screen.width; this.heightScr=screen.height; }
else if (self.java) { var jkit=java.awt.Toolkit.getDefaultToolkit(); var scrsize=jkit.getScreenSize(); this.widthScr=scrsize.width; this.heightScr=scrsize.height; }
} //Разрешение экрана (end)

//Открытик окна (start)
function OpenWin(url,winname,widthWin,heightWin,sbar) {
ClientBrowse();
if (widthWin) { leftPos=(this.widthScr-widthWin)/2; } else { widthWin=this.widthScr-100; leftPos=(this.widthScr-widthWin)/2; }
if (heightWin) { topPos=(this.heightScr-heightWin)/2; } else { heightWin=this.heightScr-100; topPos=10; }
(sbar)?null:sbar=1; (winname)?null:winname="view";
var property="left="+leftPos+",top="+topPos+",width="+widthWin+",height="+heightWin+",scrollbars="+sbar;
window.open (url,winname,property);
} //Открытик окна (end)