var cached=0;

if (document.images){

the_home_off = new Image()
the_home_off.src = "/navbar/home.gif"
the_home_on = new Image()
the_home_on.src = "/navbar/home_on.gif"

the_about_off = new Image()
the_about_off.src = "/navbar/about.gif"
the_about_on = new Image()
the_about_on.src = "/navbar/about_on.gif"

the_contact_off = new Image()
the_contact_off.src = "/navbar/contact.gif"
the_contact_on = new Image()
the_contact_on.src = "/navbar/contact_on.gif"

the_dimensions_off = new Image()
the_dimensions_off.src = "/navbar/dimensions.gif"
the_dimensions_on = new Image()
the_dimensions_on.src = "/navbar/dimensions_on.gif"

the_fitting_instructions_off = new Image()
the_fitting_instructions_off.src = "/navbar/fitting_instructions.gif"
the_fitting_instructions_on = new Image()
the_fitting_instructions_on.src = "/navbar/fitting_instructions_on.gif"

the_local_stockists_off = new Image()
the_local_stockists_off.src = "/navbar/local_stockists.gif"
the_local_stockists_on = new Image()
the_local_stockists_on.src = "/navbar/local_stockists_on.gif"

the_project_gallery_off = new Image()
the_project_gallery_off.src = "/navbar/project_gallery.gif"
the_project_gallery_on = new Image()
the_project_gallery_on.src = "/navbar/project_gallery_on.gif"

the_questions_off = new Image()
the_questions_off.src = "/navbar/questions.gif"
the_questions_on = new Image()
the_questions_on.src = "/navbar/questions_on.gif"

cached=1;
}

function imageOn(imgName) {
	if (cached==1) {
	lineOn = eval("the_" + imgName + "_on.src");
	document [imgName].src= lineOn;
	}
}

function imageOff(imgName) {
	if (cached==1) {
	lineOff = eval("the_" + imgName + "_off.src");
	document [imgName].src= lineOff;
	}
}