/* this is external javascript for header menu rollovers */
/* april 7, 2006                                         */

   if (document.images)  {
      // "On" images, referred to in slice filename as "HiLite"
        img1on = new Image();
        img1on.src = "images/firmHilite.gif";
        img2on = new Image();
        img2on.src = "images/portHilite.gif";
        img3on = new Image();
        img3on.src = "images/exprHilite.gif";
        img4on = new Image();
        img4on.src = "images/teamHilite.gif";
        img5on = new Image();
        img5on.src = "images/contHilite.gif";
        
	  
	  // "Off" images, referred to in slice filename as "Normal"
        img1off = new Image();
        img1off.src = "images/firmNormal.gif";
        img2off = new Image();
        img2off.src = "images/portNormal.gif";
        img3off = new Image();
        img3off.src = "images/exprNormal.gif";
        img4off = new Image();
        img4off.src = "images/teamNormal.gif";
        img5off = new Image();
        img5off.src = "images/contNormal.gif";
        
	  
	  // "onClick" images, referred to in slice filename as "current"
	  // "current" also used for currently displayed project
        img1click = new Image();
        img1click.src = "images/firmCurrent.gif";
        img2click = new Image();
        img2click.src = "images/portCurrent.gif";
        img3click = new Image();
        img3click.src = "images/exprCurrent.gif";
        img4click = new Image();
        img4click.src = "images/teamCurrent.gif";
        img5click = new Image();
        img5click.src = "images/contCurrent.gif";

   }
   
   function imgOn(imgName)  {
   if (document.images)  {
      document.images[imgName].src = eval(imgName + "on.src");
	  }
   }

   function imgOff(imgName)  {
   if (document.images)  {
      document.images[imgName].src = eval(imgName + "off.src");
	  }
   }
   
   function imgClick(imgName)  {
   if (document.images)  {
      document.images[imgName].src = eval(imgName + "click.src");
	  }
   }