/* searchboxbg */
var searchboxbg = "url(/common/images/bg_searchbox.gif)";

function searchBoxFocus(th){
	var obj = document.getElementById(th.id);
	
	if( obj.value == "" ){
		obj.value = "";
		obj.style.backgroundImage = "none";
	}
}
function searchBoxBlur(th){
	var obj = document.getElementById(th.id);
	
	if( obj.value == "" ){
		obj.style.backgroundImage = searchboxbg;
	}
}