var save_value = new Array();
function hidevalue(ids){
	ids = ids.split(/:/);
	for(i=0;i<ids.length;i++){
		var obj = document.getElementById(ids[i]);
		save_value[(ids[i])] = obj.value;
		obj.value = '';
	}
}

function getvalue(ids){
	ids = ids.split(/:/);
	for(i=0;i<ids.length;i++){
		var obj = document.getElementById(ids[i]);
		if (save_value[(ids[i])]!=undefined){
			obj.value = save_value[(ids[i])];
		}
	}
}