function Info(){this.ver=navigator.appVersion;this.ie=document.all?true:false;this.nn=document.layers?true:false;if(this.nn) this.ver=parseFloat(this.ver);else if(this.ie) this.ver=parseFloat(this.ver.substr(this.ver.indexOf("MSIE")+5));this.rqs=(this.nn || this.ie) && this.ver>=4};Info.prototype.obtDims=function(){if(this.nn){this.an=window.innerWidth;this.al=window.innerHeight}else{this.an=document.body.clientWidth;this.al=document.body.clientHeight}}