function setCookie(c_name,value,expiredays,path){var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);path=path||"/";document.cookie=c_name+"="+escape(value)+((expiredays==null)?"":";expires="+exdate.toGMTString())+"; path="+path}function getCookie(c_name){if(document.cookie.length>0){c_start=document.cookie.indexOf(c_name+"=");if(c_start!=-1){c_start=c_start+c_name.length+1;c_end=document.cookie.indexOf(";",c_start);if(c_end==-1){c_end=document.cookie.length}return unescape(document.cookie.substring(c_start,c_end))}}return""}