var dd_u = "undefined";
function WZDD()
{
	this.elements = new Array(0);
	this.obj = null;
	this.n = navigator.userAgent.toLowerCase();
	this.db = (document.compatMode && document.compatMode.toLowerCase() != "backcompat")?
		document.documentElement
		: (document.body || null);
	this.op = !!(window.opera && document.getElementById);
	if(this.op) document.onmousedown = new Function('e',
		'if(((e = e || window.event).target || e.srcElement).tagName == "IMAGE") return false;');
	this.ie = !!(this.n.indexOf("msie") >= 0 && document.all && this.db && !this.op);
	this.iemac = !!(this.ie && this.n.indexOf("mac") >= 0);
	this.ie4 = !!(this.ie && !document.getElementById);
	this.n4 = !!(document.layers && typeof document.classes != dd_u);
	this.n6 = !!(typeof window.getComputedStyle != dd_u && typeof document.createRange != dd_u);
	this.w3c = !!(!this.op && !this.ie && !this.n6 && document.getElementById);
	this.ce = !!(document.captureEvents && document.releaseEvents);
	this.px = this.n4? '' : 'px';
	this.tiv = this.w3c? 40 : 10;
}
var dd = new WZDD();