function verifyCompatibleBrowser(){ 
  this.ver=navigator.appVersion 
  this.dom=document.getElementById?1:0 
  this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
  this.ie4=(document.all && !this.dom)?1:0; 
  this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
  this.ns4=(document.layers && !this.dom)?1:0; 
  this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
	
  return this 
} 
var NE, NE6, IE = false;

if (navigator.appName == "Netscape") {
    // alert ("navigator.appVersion = " + navigator.appVersion)
    if ( parseInt(navigator.appVersion) == 4) {
        NE = true
      	window.scrollbars.visible=false

    }else if(parseInt(navigator.appVersion) >= 5) {
        NE6 = true
       window.scrollbars.visible=false

    }
}else if(navigator.appName == "Microsoft Internet Explorer") {
    IE = true
}

// bw=new verifyCompatibleBrowser()
// alert(navigator.appVersion )
// if(this.ns4=1){ 
//	window.scrollbars.visible=false
//	alert(window.scrollbars.visible)
//}