function showhide(xxx){
	if (document.getElementById(xxx).style.display=="none"){
		document.getElementById(xxx).style.display="block";
	}else{
		document.getElementById(xxx).style.display="none";
	}
}

function show_div(xxx){
	document.getElementById(xxx).style.display="block";
}

function hide_div(xxx){
	document.getElementById(xxx).style.display="none";
}

function wr_send_data(url){
	var wr_script_object=document.createElement("script");
	wr_script_object.src=url;
	document.body.appendChild(wr_script_object);
}