if (document.images) {

	var hillust = new Image(117,170);
	hillust.src = "images/hillusticon.gif";
	var hillusta = new Image(117,170);
 	hillusta.src = "images/hillusticona.gif";
 	
 	var hphotog = new Image(145,170);
	hphotog.src = "images/hphotoicon.gif";
	var hphotoga = new Image(145,170);
 	hphotoga.src = "images/hphotoicona.gif";
  	
 	var hstoryboards = new Image(136,170);
	hstoryboards.src = "images/hsbcompicon.gif";
	var hstoryboardsa = new Image(136,170);
 	hstoryboardsa.src = "images/hsbcompicona.gif";
   	
 	var hsearch = new Image(81,86);
	hsearch.src = "images/hsearch.gif";
	var hsearcha = new Image(81,86);
 	hsearcha.src = "images/hsearcha.gif";
   	
 	var hcontactus = new Image(110,86);
	hcontactus.src = "images/hcontactus.gif";
	var hcontactusa = new Image(110,86);
 	hcontactusa.src = "images/hcontactusa.gif";
 	
 	}

function imghi(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + 'a.src');
	}
}

function imgoff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + '.src');
	}
}