/* Tom Sawyer common script functions */

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];}}
}

//
// This method is called from the map when the mouse is moved over
// the name in the image.   If you want it to only switch when the
// user clicks on the name, change the onMouseOver in the <area>
// tags to onClick
//
function swapImage(name)
{
   document.maingraph.src=name;
}

//
// This method is called when the mouse moves outside of the image
// to restore the animated gif
//
// Note the onMouseOut line in the <img> block.
//
function restoreImage()
{
   document.maingraph.src="images/graph_circular.gif";
}

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_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];}
}

function openDemo(page, other)
{
    var props = "menubar=false,scrollbars=no,status=no,height=650,width=650";

    if (other && other > 1)
    {
	var w = window.open(page, "other", props);
    }
    else
    {
	var w = window.open(page, "side", props);
    }
    
    w.focus();
}