// JavaScript Document


function show1()
			{
				if(document.getElementById("box_1").style.display=="none")
					{
						document.getElementById("box_1").style.display="";
						document.getElementById("box_2").style.display="none";
					}
				
			}
			
		function show2()
			{
				if(document.getElementById("box_2").style.display=="none")
					{
						document.getElementById("box_2").style.display="";
						document.getElementById("box_1").style.display="none";
						
					}
			
			}