function clear_cnt()
{
	var txt_srch=document.getElementById("srch_home").value;
	
	if(txt_srch=='enter keywords...')
	{
		document.getElementById("srch_home").value='';
	}
}
function put_cnt()
{
	var txt_srch=document.getElementById("srch_home").value;
	txt_srch=txt_srch.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
	if(txt_srch=='')
	{
	document.getElementById("srch_home").value='enter keywords...';
	}
}