// Create image objects and preload all active, inactive, and  
// banner images

if (document.images) {
    // active images
	var img1_on = new Image(); 
	img1_on.src = "images/navigation/home_on.jpg";
	
	var img2_on = new Image(); 
	img2_on.src = "images/navigation/contents_on.jpg";
	
	var img3_on = new Image(); 
	img3_on.src = "images/navigation/reviews_on.jpg";
	
	var img4_on = new Image(); 
	img4_on.src = "images/navigation/drawings_on.jpg";
	
	var img5_on = new Image(); 
	img5_on.src = "images/navigation/consultancy_on.jpg";
	
	var img6_on = new Image(); 
	img6_on.src = "images/navigation/seminars_on.jpg";
	
	var img7_on = new Image(); 
	img7_on.src = "images/navigation/links_on.jpg";
	
	var img8_on = new Image(); 
	img8_on.src = "images/navigation/purchase_on.jpg";
	
	var img9_on = new Image(); 
	img9_on.src = "images/navigation/contacts_on.jpg";
	
	
	// inactive images
	var img1_off = new Image(); 
	img1_off.src = "images/navigation/home_off.jpg";
	
	var img2_off = new Image(); 
	img2_off.src = "images/navigation/contents_off.jpg";
	
	var img3_off = new Image(); 
	img3_off.src = "images/navigation/reviews_off.jpg";
	
	var img4_off = new Image(); 
	img4_off.src = "images/navigation/drawings_off.jpg";
	
	var img5_off = new Image(); 
	img5_off.src = "images/navigation/consultancy_off.jpg";
	
	var img6_off = new Image(); 
	img6_off.src = "images/navigation/seminars_off.jpg";
	
	var img7_off = new Image(); 
	img7_off.src = "images/navigation/links_off.jpg";
	
	var img8_off = new Image(); 
	img8_off.src = "images/navigation/purchase_off.jpg";
	
	var img9_off = new Image(); 
	img9_off.src = "images/navigation/contacts_off.jpg";
	
}

// Function to activate image and banner
function imgOn(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + "_on.src");
	}
}

// Function to deactivate image and banner
function imgOff(imgName) {
	if (document.images) {
		document.images[imgName].src = eval(imgName + "_off.src");
	}
}



function displayWindow500x450( url )
{
  remoteWin = window.open(url,"",'width=500,height=500,resizable=yes,scrollbars=yes');
}


function displayWindow500x500( url )
{
  remoteWin = window.open(url,"",'width=600,height=500,resizable=yes,scrollbars=yes,toolbar=yes');
}

function displayWindow500x700( url )
{
  remoteWin = window.open(url,"",'width=750,height=500,resizable=yes,scrollbars=yes,toolbar=yes');
}

function displayWindow500x800( url )
{
  remoteWin = window.open(url,"",'width=800,height=500,resizable=yes,scrollbars=yes,toolbar=yes');
}