var isDOM = (document.getElementById ? true : false);
    var isIE4 = ((document.all && !isDOM) ? true : false);
    var isNS4 = (document.layers ? true : false);
    var isNS = navigator.appName == "Netscape";

    var userAgent = navigator.userAgent.toLowerCase();
    var is_webtv = userAgent.indexOf('webtv') != -1;
    var is_kon = userAgent.indexOf('konqueror') != -1;
    var is_mac = userAgent.indexOf('mac') != -1;
    var is_saf = userAgent.indexOf('applewebkit') != -1 || navigator.vendor == 'Apple Computer, Inc.';
    var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
    var is_moz = (navigator.product == 'Gecko' && !is_saf) && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
    var is_ns = userAgent.indexOf('compatible') == -1 && userAgent.indexOf('mozilla') != -1 && !is_opera && !is_webtv && !is_saf;
    var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera && !is_saf && !is_webtv) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

    function $(id) {
	    if (isDOM) return document.getElementById(id);
	    if (isIE4) return document.all[id];
	    if (isNS4) return document.layers[id];
    }

    function getStyleById(id) {
	    x = $(id);
	    return (isNS4 ? $(id) : $(id).style);
    }

    //13:51 2007-12-12
    function switchClip(key,clipAry,c1,c2,pid,subid,blankid){
	    for( var k in clipAry)
	    {
		    if(clipAry[k]==key)
		    {
			    $(pid+clipAry[k]).className=c1;
			    if(blankid==null){}else{$("subnav_blank").style.display="none";}
			    $(subid+clipAry[k]).style.display="";
		    }
		    else{
			    if($(pid+clipAry[k]).className==c1)
				    $(pid+clipAry[k]).className=c2;
			    if($(subid+clipAry[k]).style.display=="")
				    $(subid+clipAry[k]).style.display="none";
		    }
	    }
	    return;
    }

    function IsMatch(a,b,msg)
    {
	    if($(a).value!=$(b).value && $(a).value.length>0)
	    {
		    alert(msg);
		    $(a).focus();
		    return false;
	    }
	    else return true;
    }
var news=['news1','news2','news3','news4','news5','news6','news7','news8','news9','news10','news11','news12','news13','news14'];