function showdiv1(i)
{
		alert(i);
	document.getElementById(i).style.display="block";
	/*document.getElementById("2").style.display="none";
	document.getElementById("3").style.display="none";
	document.getElementById("4").style.display="none";
	document.getElementById("Image600").src="images/a1-on.gif";	
	document.getElementById("Image601").src="images/a2.gif";	
	document.getElementById("Image602").src="images/a3.gif";
	document.getElementById("Image603").src="images/a4.gif";	*/
		
}

function showdiv2()
{
	document.getElementById("1").style.display="none";
	document.getElementById("2").style.display="block";
	document.getElementById("3").style.display="none";
	document.getElementById("4").style.display="none";
	document.getElementById("Image600").src="images/a1.gif";	
	document.getElementById("Image601").src="images/a2-on.gif";	
	document.getElementById("Image602").src="images/a3.gif";
	document.getElementById("Image603").src="images/a4.gif";	


}

function showdiv3()
{
	document.getElementById("1").style.display="none";
	document.getElementById("2").style.display="none";
	document.getElementById("3").style.display="block";
	document.getElementById("4").style.display="none";
	document.getElementById("Image600").src="images/a1.gif";	
	document.getElementById("Image601").src="images/a2.gif";	
	document.getElementById("Image602").src="images/a3-on.gif";	
	document.getElementById("Image603").src="images/a4.gif";	
			
}
function showdiv4()
{
	document.getElementById("1").style.display="none";
	document.getElementById("2").style.display="none";
	document.getElementById("3").style.display="none";
	document.getElementById("4").style.display="block";
	document.getElementById("Image600").src="images/a1.gif";	
	document.getElementById("Image601").src="images/a2.gif";	
	document.getElementById("Image602").src="images/a3.gif";	
	document.getElementById("Image603").src="images/a4-on.gif";	
	

		
}