if (document.images) {

	
	// primary rollovers
	
	companyon = new Image();
	companyon.src = "http://www.unanderconstruction.com/images/company_on.gif";
	companyoff = new Image();
	companyoff.src = "http://www.unanderconstruction.com/images/company_off.gif";
			
	projectson = new Image();
	projectson.src = "http://www.unanderconstruction.com/images/projects_on.gif";
	projectsoff = new Image();
	projectsoff.src = "http://www.unanderconstruction.com/images/projects_off.gif";
				
	contacton = new Image();
	contacton.src = "http://www.unanderconstruction.com/images/contact_on.gif";
	contactoff = new Image();
	contactoff.src = "http://www.unanderconstruction.com/images/contact_off.gif";


}

	
function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}


//jump menu script
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex="0";
}


///open window
function openAnyWindow(url, name) {

  var l = openAnyWindow.arguments.length;

  var w = "";

  var h = "";

  var features = "";
  
  




  for (i=2; i<l; i++) 
  	{

    var param = openAnyWindow.arguments[i];

    if(i == 2)
		{
		var winleft = Math.round((screen.width - param) / 2);
		w = screen.width - (winleft * 2) ;
		w = "width=" + w + "," ;
		}
		
    if (i == 3)
		{		
    	var winUp = Math.round((screen.height - param) / 2);
		h = screen.height - (winUp * 2);
		h = "height=" + h + ",";
		}
	  }

  winleft = "left=" + winleft + ",";
		
  winUp = "top=" + winUp;

  features += w + h + winleft + winUp;

  var code = "popupWin = window.open(url, name";

  if (l > 2) code += ", '" + features;

  code += "')";
  

  eval(code);

}