// JavaScript Document

function sh_val(id,txt)
{
	if(document.getElementById(id).value == "")
	{document.getElementById(id).value = txt;}
	else
	{document.getElementById(id).value = document.getElementById(id).value;}
}

function sh_val1(id,txt)
{
	if(document.getElementById(id).value == txt)
	{document.getElementById(id).value = '';}
	else
	{document.getElementById(id).value = document.getElementById(id).value;}
}