function checkUserExist(){UserManager.ajaxCheckUserExist(dwr.util.getValue("usernametxt"),function(a){if(a=="true"){dwr.util.setValue("usernameTip","user exist")}else{dwr.util.setValue("usernameTip","user not exist")}})}function wellSellAddToCookie(b,a,c){num=document.getElementById("wellSell"+a).value;addToCookie(b,num,c);document.getElementById("wellSell"+a).value=1};