if (document.images) {            // Active Images
	img1on = new Image();      
    img1on.src = "res/aboutus_on.jpg"; 
	img2on = new Image();      
    img2on.src = "res/products_on.jpg";
	img3on = new Image();      
    img3on.src = "res/news_on.jpg";
	img4on = new Image();      
    img4on.src = "res/services_on.jpg";
	img5on = new Image();      
    img5on.src = "res/class_info_on.jpg";
	img6on = new Image();      
    img6on.src = "res/contactus_on.jpg";
	img7on = new Image();      
    img7on.src = "res/view_more_on.gif";
	img8on = new Image();      
    img8on.src = "res/home_on.jpg";

    img1off = new Image();      
    img1off.src = "res/aboutus.jpg"; 
	img2off = new Image();      
    img2off.src = "res/products.jpg";
	img3off = new Image();      
    img3off.src = "res/news.jpg";
	img4off = new Image();      
    img4off.src = "res/services.jpg";
	img5off = new Image();      
    img5off.src = "res/class_info.jpg";
	img6off = new Image();      
    img6off.src = "res/contactus.jpg";
	img7off = new Image();      
    img7off.src = "res/view_more.gif";
	img8off = new Image();      
    img8off.src = "res/home.jpg";

}



// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}



// Dynamic Image Viewer

function imageView(imgFile,imgTitle,winPosX,winPosY)
{ 
preview = window.open("","","resizable=yes,toolbar=no,scrollbars=no,menubar=no,status=no,directories=no,width=450,height=600,left=50,top=50");
preview.document.write('<html><head><title>'+imgTitle+' - Click to close - <\/title><\/head>'
+'<body onBlur="self.focus();" marginWidth="0" marginHeight="0" topmargin="0" leftmargin="0" style="background-image: url(res/bg.gif);">'
+'<center>'
+'<a href="javascript:self.close()">'
+'<img border="0" alt="Image loading please wait...." src="'+imgFile+'">'
+'<\/a><\/center>'
+'<\/body><\/html>');
preview.document.close();
}
