var xOp7Up,xOp6Dn,xIE4Up,xIE4,xIE5,xNN4,xUA=navigator.userAgent.toLowerCase();
	if(window.opera){
		var i=xUA.indexOf('opera');
		if(i!=-1){
			var v=parseInt(xUA.charAt(i+6));
			xOp7Up=v>=7;xOp6Dn=v<7;
		}
	}else if(navigator.vendor!='KDE' && document.all && xUA.indexOf('msie')!=-1){
		xIE4Up=parseFloat(navigator.appVersion)>=4;
		xIE4=xUA.indexOf('msie 4')!=-1;
		xIE5=xUA.indexOf('msie 5')!=-1;
	}else if(document.layers){
		xNN4=true;
	}
	xMac=xUA.indexOf('mac')!=-1;
	function xDef(){
		for(var i=0; i<arguments.length; ++i){
			if(typeof(arguments[i])=='undefined') 
				return false;
		}
		return true;
	}
	function xGetElementById(e){
		if(typeof(e)=='string') {
			if(document.getElementById) 
				e=document.getElementById(e);
			else if(document.all) 
				e=document.all[e];
			else 
				e=null;
		}
		return e;
	}
	function xLeft(e, iX){
		if(!(e=xGetElementById(e))) 
			return 0;
			var css=xDef(e.style);
			if (css && xStr(e.style.left)) {
				if(xNum(iX)) 
					e.style.left=iX+'px';
				else 
				{
					iX=parseInt(e.style.left);
						if(isNaN(iX)) 
							iX=0;
				}
			}else if(css && xDef(e.style.pixelLeft)) {
				if(xNum(iX)) 
					e.style.pixelLeft=iX;
				else 
					iX=e.style.pixelLeft;
			}
		return iX;
	}
	function xMoveTo(e,x,y){
		//xLeft(e,x);
		xTop(e,y);
	}
	function xNum(){
			for(var i=0; i<arguments.length; ++i){
				if(isNaN(arguments[i]) || typeof(arguments[i])!='number') 
					return false;
			}
			return true;
	}
	function xScrollTop(e, bWin){
		var offset=0;
		if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
			var w = window;
			if (bWin && e) w = e;
			if(w.document.documentElement && w.document.documentElement.scrollTop) 
				offset=w.document.documentElement.scrollTop;
			else if(w.document.body && xDef(w.document.body.scrollTop)) 
				offset=w.document.body.scrollTop;
			}else{
				e = xGetElementById(e);
				if (e && xNum(e.scrollTop)) 
					offset = e.scrollTop;
			}
		return offset;
	}
	function xStr(s){
		for(var i=0; i<arguments.length; ++i){
			if(typeof(arguments[i])!='string') 
				return false;
		}
		return true;
	}
	function xTop(e, iY){
		if(!(e=xGetElementById(e))) 
			return 0;
			var css=xDef(e.style);
			if(css && xStr(e.style.top)) {
				if(xNum(iY)) {
					if (iY > 420)
						e.style.top=iY+'px';
				}
			else {
				iY=parseInt(e.style.top);
				if(isNaN(iY)) 
					iY=0;
				}
			}else if(css && xDef(e.style.pixelTop)) {
				if(xNum(iY)) 
					e.style.pixelTop=iY;
				else 
					iY=e.style.pixelTop;
				}
			return iY;
		}