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.ie4=(document.all&&!this.dom&&!this.opera5)?1:0; this.ie=this.ie4||this.ie5||this.ie6; 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.ie6||this.ie5||this.ie4||this.ns4||this.ns6||this.opera5||this.opera6||this.opera7); return this; }

sLogo=function() {
	if (document.getElementById("main-catalog")) {
		hLogo=document.getElementById("main-catalog").getElementsByTagName("a");
		for (i=0;i<hLogo.length;i++) {
			hLogo[i].onmouseover=function() {
				l=this.firstChild; img=this.firstChild.src;
				img=img.replace(new RegExp("-g.gif\\b"),""); l.src=img+"-c.gif";
			}
			hLogo[i].onmouseout=function() {
				l=this.firstChild; img=this.firstChild.src;
				img=img.replace(new RegExp("-c.gif\\b"),""); l.src=img+"-g.gif"; }
		}
	}
}

onload=function() { sLogo(); }