// JavaScript Document

function roll(img_name, img_src)
{
document.getElementById([img_name]).src = img_src;   
}

function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

function mouseover(divname, mycolor)
{
document.getElementById([divname]).style.backgroundColor= mycolor;
}

function mouseout(divname2)
{
document.getElementById([divname2]).style.backgroundColor= "#191919";
}



function preload()
{
		PreImage1= new Image();
		PreImage1.src = "../images/buttonsRed_03.gif";
		PreImage2 = new Image();
		PreImage2.src = "../images/buttonsRed_05.gif";
		PreImage3 = new Image();
		PreImage3.src = "../images/buttonsRed_07.gif";
		PreImage4 = new Image();
		PreImage4.src = "../images/buttonsRed_11.gif";
		PreImage5 = new Image();
		PreImage5.src = "../images/buttonsRed_13.gif";
		PreImage6 = new Image();
		PreImage6.src = "../images/buttonsRed_15.gif";
		PreImage7 = new Image();
		PreImage7.src = "../images/buttonsR_03.gif";
		PreImage8 = new Image();
		PreImage8.src = "../images/buttonsR_05.gif";
		PreImage9 = new Image();
		PreImage9.src = "../images/buttonsR_07.gif";
		PreImage10 = new Image();
		PreImage10.src = "../images/buttonsR_09.gif";
		PreImage11 = new Image();
		PreImage11.src = "../images/buttonsR_11.gif";
		PreImage12 = new Image();
		PreImage12.src = "../images/buttonsR_13.gif";
		PreImage13 = new Image();
		PreImage13.src = "../images/buttonsR_15.gif";
		
		PreImage14 = new Image();
		PreImage14.src = "../images/office-large.jpg";
		PreImage15 = new Image();
		PreImage15.src = "../hallway-large.jpg";
		PreImage16 = new Image();
		PreImage16.src = "../conf-large.jpg";

}

window.onload = preload();