function popwin(val){

	var elm = document.getElementById(val);

	elm.style.display = "block";

	var sels = document.getElementsByTagName("select");

	for(var i=0;i<sels.length;i++){

		sels[i].style.display = "none";

	}

}

function popclose(val){

	var elm = document.getElementById(val);

	elm.style.display = "none";

	var sels = document.getElementsByTagName("select");

	for(var i=0;i<sels.length;i++){

		sels[i].style.display = "block";

	}

}