function reloadCheckCode(){
	var cC=document.getElementById("checkCodeId");
	var value = parseInt(Math.random()*10000);
	cC.src="/extracode/checkcode.jsp?random_mark="+value;
}

function reloadImgCode(){
	var cC=document.getElementById("checkCodeId");
	var value = parseInt(Math.random()*10000);
	cC.src="/extracode/imgcode.jsp?random_mark="+value;
}