/* STEM/MARK rollover functions */

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

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

function SM_findObj(n, d) 
{
  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=SM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) 
    x=d.getElementById(n); 
  return x;
}

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