function EnterraTabs()
{this.name='';this.prefix='';this.state=0;this.current=-1;this.tabs=new Array();this.addTab=function(title,descr)
{if(typeof(title)=='string'&&title!=''&&typeof(descr)=='string')
{var index=this.tabs.length;this.tabs[index]=new Object();this.tabs[index].title=title;this.tabs[index].descr=descr;return true;}
return false;}
this.showTab=function(index)
{if(this.state==0&&typeof(index)=='number'&&index>=0&&index<this.tabs.length&&this.current!=index)
{this.state=1;var newTab=document.getElementById(this.prefix+index);var oldIndex=this.current;var tabsObject=this;var tmpFunc=function()
{var container=document.getElementById(tabsObject.name+'-content');$("#tab-body-"+tabsObject.name+'-'+tabsObject.current).show("normal",function(){tabsObject.state=0;});}
if(this.current==-1)
{tmpFunc();}
else
{this.hideTab(tmpFunc);}
if(typeof(newTab)=='object'&&newTab!=null)
{newTab.className='tab-item tab-item-active';this.current=index;}}}
this.hideTab=function(eventCallback)
{if(this.current>=0)
{var oldTab=document.getElementById(this.prefix+this.current);oldTab.className='tab-item tab-item-usual';$("#tab-body-"+this.name+'-'+this.current).hide("normal",eventCallback);}}}