var lastMouseX;
var lastMouseY;
var curPopupWindow = null;

function setLastMousePosition(e) {
        if (navigator.appName.indexOf("Microsoft") != -1) e = window.event;
        lastMouseX = e.screenX;
        lastMouseY = e.screenY;
}

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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

function closePopup() {
	if (curPopupWindow != null) {
		if (!curPopupWindow.closed) {
			curPopupWindow.close();
		}
		curPopupWindow = null;
	}
}

function openWindow(url, winName, width, height, center, resize, scrollbar) { 
	var ispos = false;

	if ( (parseInt(navigator.appVersion) >= 4 ) && center ) { 
		xposition = (screen.width - width) / 2; 
		yposition = (screen.height - height) / 2; 
		ispos = true;
	}

	// Features to specify for a new window 
	args = "width=" + width + "," 
	+ "height=" + height + "," 
	+ "dependent=1,"
	+ "location=0," 
	+ "menubar=0," 
	+ "resizable=" + resize + "," 
	+ "scrollbars=" + scrollbar + "," 
	+ "status=0," 
	+ "titlebar=0," 
	+ "toolbar=0," 
	+ "hotkeys=0" ;
	if ( ispos ) {
		args = args + ",screenx=" + xposition + ","  //NN Only 
		+ "screeny=" + yposition + ","  //NN Only 
		+ "left=" + xposition + ","     //IE Only 
		+ "top=" + yposition;           //IE Only 
	}

	// Performs the opening of the window. 
	closePopup();
	curPopupWindow = window.open(url, winName, args, false); 
	curPopupWindow.focus(); 
}

function toggleBlockVisibility(id) {
	var el = document.getElementById(id);
	eval('var ' + id + ' = document.getElementById(\'' + id + '\')');

	if ( el.style.display == 'none' ) {
		eval(id + '.style.display = \'block\'');
	} else {
		eval(id + '.style.display = \'none\'');
	}
}