function BrowserCheck(){
		var b = navigator.appName;
		if (b == "Netscape") this.b = "NN";
		else if (b == "Microsoft Internet Explorer") this.b = "IE";
		else this.b = b;
		this.version = navigator.appVersion;
		this.vSub = navigator.vendorSub;
		this.userAgent = navigator.userAgent;
		this.appVersion = navigator.appVersion;
		this.v = parseInt(this.version);
		this.vs = parseFloat(this.vSub);
		
		this.NN = (this.b == "NN");
		this.NN3 = (this.b == "NN" && this.v == 3);
		this.NN4 = (this.b == "NN" && this.v == 4);
		this.NN6x = (this.b == "NN" && this.v == 5 && this.vs >= 6.01);
		this.NN6 = (this.b == "NN" && this.v == 5);
		this.NN7 = (this.b == "NN" && this.v == 5 && this.vs >= 7);
		
		this.IE = (this.b == "IE");
		this.IE3 = (this.userAgent.indexOf('MSIE 3')>0);
		this.IE45 = (this.userAgent.indexOf('MSIE 4.5')>0);
		this.IE401 = (this.userAgent.indexOf('MSIE 4.01')>0);
		this.IE4 = (this.userAgent.indexOf('MSIE 4')>0);
		this.IE51 = (this.userAgent.indexOf('MSIE 5.1')>0);
		this.IE512 = (this.userAgent.indexOf('MSIE 5.12')>0);
		this.IE514 = (this.userAgent.indexOf('MSIE 5.14')>0);
		this.IE52 = (this.userAgent.indexOf('MSIE 5.2')>0);
		this.IE5 = (this.userAgent.indexOf('MSIE 5')>0);		
		this.IE6 = (this.userAgent.indexOf('MSIE 6')>0);
		
		this.GEK = (this.userAgent.indexOf("Gecko") != -1);
		this.SAF = (this.userAgent.indexOf("Safari",0) != -1);
		this.FF = (this.userAgent.indexOf("Firefox") != -1);
		this.CAB = (this.userAgent.indexOf("iCab",0) != -1);
		this.OPE = (this.userAgent.indexOf("Opera",0) != -1);
		
		this.Win = (this.userAgent.indexOf('Win',0) != -1);
		this.Mac = (this.userAgent.indexOf('Mac',0) != -1);
		this.MacOSX = (this.userAgent.indexOf('Mac OS X',0) != -1);
		if(this.IE512 || this.IE52){
			this.MacOSX=true;
		}
		else if(this.IE514){
			if (navigator.plugins) {
				for (i=0; i < navigator.plugins.length; i++ ) {
					if (navigator.plugins[i].name.indexOf('QuickTime') >= 0 && navigator.plugins[i].filename.indexOf('.plugin')!=-1){
						this.MacOSX=true;
					}
				}
			}
		}
		this.Unix = (this.appVersion.indexOf('X11',0) != -1);
}

var checkB = new BrowserCheck();


function shake()
{
	var posx;
	var posy;
	if(checkB.IE){
	posx = window.screenLeft;
	posy = window.screenTop;
}else{
	posx = window.screenX;
	posy = window.screenY;
	
}
	if( !window.moveBy )
		return;
	var length = 20;
	
	for( var i = length; i > 0; i-- )
	{
	
		window.moveBy( i, 0);
		window.moveBy(-i, 0);
	}
}