function gallery( ) {
		var URLen="/la_busacca/gallery.html";
		var windowNamen="mainwindow";
		var browserName=navigator.appName;
		var operatingSystem=navigator.platform;
		var version = parseFloat(navigator.appVersion);
		if (browserName.indexOf("Netscape")!=-1 && version>=4.0 && operatingSystem.indexOf("Mac")!=-1)
		 {
		 window.open(URLen,windowNamen,'titlebar=no,top=0,left=0,width=' + window.screen.availWidth+',height='+window.screen.availWidth+',screenX=0,screenY=0,top=0,left=0')
		 }

		else if (browserName.indexOf("Microsoft Internet Explorer")!=-1 && operatingSystem.indexOf("Mac")!=-1)
		 {
		 window.open(URLen,windowNamen,'titlebar=no,top=0,left=0,width=' + window.screen.availWidth+',height='+window.screen.availWidth+',screenX=0,screenY=0,top=0,left=0')

		 }
		else if (browserName.indexOf("Netscape")!=-1 && operatingSystem.indexOf("Mac")!=-1)
		 {
		 window.open(URLen,windowNamen,'width='+screen.width+',height='+screen.height+',top=0,left=0');
		 }
		else if (browserName.indexOf("Microsoft Internet Explorer")!=-1 && operatingSystem.indexOf("Win")!=-1)
		 {
		 var win = window.open(URLen,windowNamen,'titlebar=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,top=0,left=0,width=' + window.screen.availWidth+',height='+window.screen.availHeight+',screenX=0,screenY=0,top=0,left=0')
			 win.resizeTo(screen.width, screen.height);
		 }

		else if (browserName.indexOf("Netscape")!=-1 && operatingSystem.indexOf("Win")!=-1)
		 {
		 window.open(URLen,windowNamen,'width='+screen.width+',height='+screen.height+',top=0,left=0');
		 }

		else
		 {
		 window.open(URLen,windowNamen);
		 }

	}