if (document.images)
{
	//Top Menu Bar Graphics
	who_we_off = new Image();
	who_we_off.src = "img/who_we_off.gif";
	
	what_we_off = new Image();
	what_we_off.src = "img/what_we_off.gif";
	
	how_we_off = new Image();
	how_we_off.src = "img/how_we_off.gif";
	
	who_we_roll = new Image();
	who_we_roll.src = "img/who_we_roll.gif";
	
	what_we_roll = new Image();
	what_we_roll.src = "img/what_we_roll.gif";
	
	how_we_roll = new Image();
	how_we_roll.src = "img/how_we_roll.gif";
	
	//Central Navigation Graphics
	leads_off = new Image();
	leads_off.src = "img/leads_img_off.png";
	
	media_off = new Image();
	media_off.src = "img/media_img_off.png";
	
	tech_off = new Image();
	tech_off.src = "img/tech_img_off.png";
	
	expertise_off = new Image();
	expertise_off.src = "img/expertise_img_off.png";
	
	leads_roll = new Image();
	leads_roll.src = "img/leads_img_roll.png";
	
	media_roll = new Image();
	media_roll.src = "img/media_img_roll.png";
	
	tech_roll = new Image();
	tech_roll.src = "img/tech_img_roll.png";
	
	expertise_roll = new Image();
	expertise_roll.src = "img/expertise_img_roll.png";
	
	//Corporate Navigation Graphics
	company_overview_off = new Image();
	company_overview_off.src = "img/company_overview_off.gif";
	
	milestones_off = new Image();
	milestones_off.src = "img/milestones_off.gif";
	
	shareholders_off = new Image();
	shareholders_off.src = "img/shareholders_off.gif";
	
	board_of_directors_off = new Image();
	board_of_directors_off.src = "img/board_of_directors_off.gif";
	
	management_off = new Image();
	management_off.src = "img/management_off.gif";
	
	company_overview_roll = new Image();
	company_overview_roll.src = "img/company_overview_roll.gif";
	
	milestones_roll = new Image();
	milestones_roll.src = "img/milestones_roll.gif";
	
	shareholders_roll = new Image();
	shareholders_roll.src = "img/shareholders_roll.gif";
	
	board_of_directors_roll = new Image();
	board_of_directors_roll.src = "img/board_of_directors_roll.gif";
	
	management_roll = new Image();
	management_roll.src = "img/management_roll.gif";
}

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

function rollOff (imgName)
{
	if (document.images)
	{
		imgOff = eval (imgName + "_off.src");
		document[imgName].src = imgOff;
	}
}