function swapMenuBg(menuID){
		switch(menuID){
			// use the following 3 for homepage
			case 1:
				document.topMenuBg.src='images/homepage/otherproducts_down.jpg';
				break;
			case 2:
				document.topMenuBg.src='images/homepage/contact_us_down.jpg';
				break;
			case 3:
				document.topMenuBg.src='images/homepage/catalog_down.jpg';
				break;
			//use the following 3 for horns.htm
			case 4:
				document.topMenuBg.src='images/horns/catalog_down.jpg';
				break;
			case 5:
				document.topMenuBg.src='images/horns/contact_us_down.jpg';
				break;
			case 6:
				document.topMenuBg.src='images/horns/home_down.jpg';
				break;
			//use the following 3 for wipers.htm
			case 7:
				document.topMenuBg.src='images/wipers/catalog_down.jpg';
				break;
			case 8:
				document.topMenuBg.src='images/wipers/contact_us_down.jpg';
				break;
			case 9:
				document.topMenuBg.src='images/wipers/home_down.jpg';
				break;
			//use the following 3 for knobs.htm
			case 10:
				document.topMenuBg.src='images/knobs/catalog_down.jpg';
				break;
			case 11:
				document.topMenuBg.src='images/knobs/contact_us_down.jpg';
				break;
			case 12:
				document.topMenuBg.src='images/knobs/home_down.jpg';
				break;
			//use the following 3 for misc.htm
			case 13:
				document.topMenuBg.src='images/misc/catalog_down.jpg';
				break;
			case 14:
				document.topMenuBg.src='images/misc/contact_us_down.jpg';
				break;
			case 15:
				document.topMenuBg.src='images/misc/home_down.jpg';
				break;
			//use the following 3 for Contact.htm
			case 16:
				document.topMenuBg.src='images/contact/otherproducts_down.jpg';
				break;
			case 17:
				document.topMenuBg.src='images/contact/catalog_down.jpg';
				break;
			case 18:
				document.topMenuBg.src='images/contact/home_down.jpg';
				break;
		}
	}

	function swapMenuBgNorm (id){
		switch(id){
				//homepage
			case 1:
				document.topMenuBg.src='images/homepage/four.jpg';
				break;
				//horns
			case 2:
				document.topMenuBg.src='images/horns/topbar3.jpg';
				break;
				//wipers
			case 3:
				document.topMenuBg.src='images/wipers/topbar3.jpg';
				break;
				//knobs
			case 4:
				document.topMenuBg.src='images/knobs/topbar3.jpg';
				break;
				//misc
			case 5:
				document.topMenuBg.src='images/misc/topbar3.jpg';
				break;
				//contact us
			case 6:
				document.topMenuBg.src='images/contact/topbar3.jpg';
				break;
		}
				
	}
	
	function openCatalog(){
		window.open ("download/catalog.pdf", "Catalog")
	}
	
	function openOEM(){
		xpos = (screen.width-660)/2;
		ypos = (screen.height-480)/2;
		window.open('OEMList.htm','OEM','width=657, height=480, scrollbars, toolbars=no, left='+xpos+', top='+ypos);
	}
	
	function openPrice(){
		xpos = (screen.width-640)/2;
		ypos = (screen.height-480)/2;
		window.open('price.htm','price','width=640, height=480, scrollbars, toolbars=no, left='+xpos+', top='+ypos);
	}