function contentTab(class1,class2){this.tabs=new Array();this.class1=class1;this.class2=class2;}
contentTab.prototype.addTab=function(object,object2){this.tabs.push(new this.tabProperty(object,object2));}  
contentTab.prototype.tabProperty=function(object,object2){this.element=object;this.container=object2;}
contentTab.prototype.clickTab=function(obj){for(i in this.tabs){this.undoTab(this.tabs[i]);if(this.tabs[i].element.id==obj.element.id){this.doTab(this.tabs[i]);}}}  
contentTab.prototype.undoTab=function(thisTab){thisTab.status=0;thisTab.element.className=this.class1;thisTab.container.style.display='none';}
contentTab.prototype.doTab=function(thisTab){thisTab.status=1;thisTab.element.className=this.class2;thisTab.container.style.display='block';}