function active( state, element ) {
	var img	= element.firstChild;
	if( !img.orginalSrc & state == "on" ){
		img.orginalSrc = new String( img.src.replace( ".jpg", "" ) );
		img.orginalWidth = img.width;
	}
	if( state == "on" ) { img.src = img.orginalSrc + "_over.jpg";   img.width = img.orginalWidth;  }
	if( state == "off" ) {	img.src = img.orginalSrc + ".jpg";  img.width = img.orginalWidth; }
	return true;
}

function preloadImages() {
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}