function popUp(ww, wh, url){		//ww:�� wh:����('ww','wh','url')
	if(navigator.appName == "Netscape") wh *= 1.11;
	if(navigator.appVersion.charAt(0) >= 4) {
		var sw = screen.width - 20;
		var positionLeft = (sw - ww) / 2;
		var sh = screen.height;
		var positionTop = (sh - wh) / 2.5;
	}
	var style = "";
	style += "width=" + ww +",";
	style += "height=" + wh + ",";
	style += "left=" + positionLeft + ",";
	style += "top=" + positionTop + ",";
	style += "resizable=no,";
	style += "scrollbars=no,";
	style += "menubar=no,";
	style += "toolbar=no,";
	style += "directories=no,";
	style += "location=no,";
	style += "status=no'";
	newWindow=window.open(url,"popUp",style); 
	newWindow.focus();
}
function wc() {
	window.close();
	}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}