// Preload images.
// Note that the path to the images needs to be specified.

// Top menu
image1 = new Image(); 
image1.src = "images/aboutsf.jpg"; 
image2 = new Image(); 
image2.src = "images/aboutsfr.jpg";
image3 = new Image(); 
image3.src = "images/invdis.jpg"; 
image4 = new Image(); 
image4.src = "images/invdisr.jpg";
image5 = new Image(); 
image5.src = "images/portmancom.jpg"; 
image6 = new Image(); 
image6.src = "images/portmancomr.jpg";
image7 = new Image(); 
image7.src = "images/invedu.jpg"; 
image8 = new Image(); 
image8.src = "images/invedur.jpg";
image9 = new Image(); 
image9.src = "images/contact.jpg"; 
image10 = new Image(); 
image10.src = "images/contactr.jpg";

// Left menu
image11 = new Image(); 
image11.src = "images/dnyvf.jpg";
image12 = new Image(); 
image12.src = "images/dnyvfr.jpg";
image13 = new Image(); 
image13.src = "images/dff.jpg";
image14 = new Image(); 
image14.src = "images/dffr.jpg";
image15 = new Image(); 
image15.src = "images/dof.jpg";
image16 = new Image(); 
image16.src = "images/dofr.jpg";
image17 = new Image(); 
image17.src = "images/dref.jpg";
image18 = new Image(); 
image18.src = "images/drefr.jpg";
image19 = new Image(); 
image19.src = "images/dcsf.jpg";
image20 = new Image(); 
image20.src = "images/dcsfr.jpg";
image21 = new Image(); 
image21.src = "images/dgmmf.jpg";
image22 = new Image(); 
image22.src = "images/dgmmfr.jpg";
image23 = new Image(); 
image23.src = "images/ditrf.jpg";
image24 = new Image(); 
image24.src = "images/ditrfr.jpg";
image25 = new Image(); 
image25.src = "images/dgbf.jpg";
image26 = new Image(); 
image26.src = "images/dgbfr.jpg";
image27 = new Image(); 
image27.src = "images/owtiwd.jpg";
image28 = new Image(); 
image28.src = "images/owtiwdr.jpg";
image29 = new Image(); 
image29.src = "images/updated.jpg";
image30 = new Image(); 
image30.src = "images/updatedr.jpg";
image31 = new Image(); 
image31.src = "images/meth.jpg";
image32 = new Image(); 
image32.src = "images/methe.jpg";


// ***** Roll-Over Images *****
function movepic(img_name,img_src) {
document[img_name].src=img_src;
}



// ***** Pop-up Menus* ****
function showLayer(layername)
{
	var x = new getObj(layername);
	x.style.visibility = "visible";
}

function hideLayer(layername)
{
	var x = new getObj(layername);
	x.style.visibility = "hidden";
}

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}