// JavaScript Document
var s_k=document.getElementById('search_contens').value;
function clsv(sObj)
{
	if(sObj.value==s_k){
		sObj.value='';
	}else{
		s_k=sObj.value;
	}
}
function resv(sObj){
	if(sObj.value==''){
		sObj.value=s_k;
	}
}