function showdiv(id){
		if(id=="product1"){
			document.getElementById(id).style.display='';
			document.getElementById('1st').src='images/a_activ.gif';
			document.getElementById('product2').style.display='none';
			document.getElementById('2nd').src='images/b.gif';
			document.getElementById('product3').style.display='none';
			document.getElementById('3rd').src='images/c.gif';
			document.getElementById('product4').style.display='none';
			document.getElementById('4th').src='images/d.gif';
		    document.getElementById('product_pic').src='images/products.jpg';
		
			}
		
		if(id=="product2"){			
			document.getElementById(id).style.display='';
			document.getElementById('2nd').src='images/b_activ.gif';
			document.getElementById("product1").style.display='none';
			document.getElementById('1st').src='images/a.gif';
			document.getElementById('product3').style.display='none';
			document.getElementById('3rd').src='images/c.gif';
			document.getElementById('product4').style.display='none';
			document.getElementById('4th').src='images/d.gif';
		    document.getElementById('product_pic').src='images/product_truck.jpg';
			
		}
		
		if(id=="product3"){
			document.getElementById(id).style.display='';
			document.getElementById('3rd').src='images/c_activ.gif';
			document.getElementById("product1").style.display='none';
			document.getElementById('1st').src='images/a.gif';
			document.getElementById('product2').style.display='none';
			document.getElementById('2nd').src='images/b.gif';
			document.getElementById('product4').style.display='none';
			document.getElementById('4th').src='images/d.gif';
		    document.getElementById('product_pic').src='images/product_off.jpg';
			
		}
		
		if(id=="product4"){
			document.getElementById(id).style.display='';
			document.getElementById('4th').src='images/d_activ.gif';
			document.getElementById("product1").style.display='none';
			document.getElementById('1st').src='images/a.gif';
			document.getElementById('product2').style.display='none';
			document.getElementById('2nd').src='images/b.gif';
			document.getElementById('product3').style.display='none';
			document.getElementById('3rd').src='images/c.gif';
		    document.getElementById('product_pic').src='images/product_bike.jpg';
			
		}
						
	}