function showHide(id){

	var tabname = "img/tab"+id+".gif";

	var idname = "listmain"+id;

	

	if(id==1){

		document.getElementById("listmain1").style.display = "block";

		document.getElementById("listmain2").style.display = "none";

		document.getElementById("listmain3").style.display = "none";

		}else if(id==2){

		document.getElementById("listmain1").style.display = "none";

		document.getElementById("listmain2").style.display = "block";

		document.getElementById("listmain3").style.display = "none";

		}else if(id==3){

		document.getElementById("listmain1").style.display = "none";

		document.getElementById("listmain2").style.display = "none";

		document.getElementById("listmain3").style.display = "block";

		}



	//return false;

       }