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 loadup(){
	MM_preloadImages('img/menu_aeolian_hl.gif','img/menu_cratering_hl.gif','img/menu_hydro_hl.gif','img/menu_introduction_hl.gif','img/menu_landslides_hl.gif','img/menu_tectonic_hl.gif','img/menu_volcanic_hl.gif','img/menu_small_dot.gif')
}

// New Window Functions
var ie = (document.all)? true:false;
var imageWindow;

function openImageWindow(imagetoOpen, width, height){
if (width ==null) {width=433; 
height=285;}
		if(ie){height = height -20;}
		var wintoOpen ='image_win.html?' + imagetoOpen;
		imageWindow = window.open(wintoOpen, "ImageView", "left=10,top=0,toolbar=no,location=no,directories=no,status=no,menubar=yes,screenX=0,width=" + width + ",height=" + height + ",screenY=0,scrollbars=no,resizable=no");
        imageWindow.focus();
         }

function checkimageWindow()
{
	if(imageWindow){
	if(!imageWindow.closed)
	{imageWindow.close();}
	}
}