var wbSession=new wbSession_class();function wbSession_class(){this.today=new Date();this.zero_date=new Date(0,0,0);this.today.setTime(this.today.getTime()-this.zero_date.getTime());this.cookie_expire_date=new Date(this.today.getTime()+(8*7*86400000));this.session_id=null;this.start=function(){if(!this.get("session_id")){this.session_id=this.get("session_id")}else{this.set("session_id",Math.random(),cookie_expire_date)}};this.get=function(c){var e=document.cookie.indexOf(c+"=");var a=e+c.length+1,b,d;if((!e)&&(c!=document.cookie.substring(0,c.length))){return null}if(e==-1){return null}b=document.cookie.indexOf(";",a);if(b==-1){b=document.cookie.length}d=unescape(document.cookie.substring(a,b));if(/^\d+$/.test(d)){return(d)*1}if(/^true$|^false$/.test(d)){return(d=="true")?true:false}return d};this.set=function(b,e,a,g,d,f){if(!a){a=this.cookie_expire_date}var c=b+"="+escape(e)+((a)?";expires="+a.toGMTString():"")+((g)?";path="+g:"")+((d)?";domain="+d:"")+((f)?";secure":"");document.cookie=c};this.unset=function(a,c,b){if(this.get(a)){document.cookie=a+"="+((c)?";path="+c:"")+((b)?";domain="+b:"")+";expires=Thu, 01-Jan-70 00:00:01 GMT"}};this.start()};