function tabSwitch_2(active, number, tab_prefix, content_prefix) {  
        
        for (var i=1; i < number+1; i++) {  
          document.getElementById(content_prefix+i).style.display = 'none';  
          document.getElementById(tab_prefix+i).className = '';  
       }  
        document.getElementById(content_prefix+active).style.display = 'block';  
        document.getElementById(tab_prefix+active).className = 'active';      
          
  }  
  
     function tabSwitch_3(active, number, tab_prefix, content_prefix) {  
    
        for (var i=1; i < number+1; i++) { 
	
          document.getElementById(content_prefix+i).style.display = 'none';
		   document.getElementById("big_"+content_prefix+i).style.display = 'none'; 
          document.getElementById(tab_prefix+i).className = '';  
       }  
	   
	 
        document.getElementById(content_prefix+active).style.display = 'block';  
		document.getElementById("big_"+content_prefix+active).style.display = 'block';  	
        document.getElementById(tab_prefix+active).className = 'active';  
		
		if (active = 2){
			doMap();
		}
          
  }