// JavaScript Document
var timeoutKeeper = null;

function init() {
IE = (document.all)
NC = (document.layers)
Opera = (document.getElementById)
}


function show_layer(num)
{
init(); 
for (k=1; k<7; k++)
  {   
   if(IE)
   {
   eval('document.all["b_i_'+ k + '_a"].style.visibility = "hidden"') 
   eval('document.all["b_i_'+ num + '_a"].style.visibility = "visible"')   
   eval('document.all["b_i_'+ num + '_p"].style.visibility = "hidden"') 
        
   }
   if(NC)
   {
   eval('document.layers["b_i_'+ k + '_a"].visibility = "hidden"')
   eval('document.layers["b_i_'+ num + '_a"].visibility = "visible"')
   eval('document.layers["b_i_'+ num + '_p"].visibility = "hidden"')
  
   }
   if(Opera)
   {
   eval('document.getElementById("b_i_'+ k + '_a").style.visibility = "hidden"') 
   eval('document.getElementById("b_i_'+ num + '_a").style.visibility = "visible"')
   eval('document.getElementById("b_i_'+ num + '_p").style.visibility = "hidden"')
   
   }   
 }
}


function show_layer_p(num)
{
init();
for (k=1; k<7; k++)
 {
   if(IE)
   {
    eval('document.all["b_i_'+ num + '_p"].style.visibility = "visible"')     
	eval('document.all["b_i_'+ num + '_a"].style.visibility = "hidden"')   
	eval('document.all["b_i_'+ k + '_p"].style.visibility = "visible"')
   
	}
   if(NC)
   {
   eval('document.layers["b_i_'+ num + '_p"].visibility = "visible"') 
   eval('document.layers["b_i_'+ num + '_a"].visibility = "hidden"')
   eval('document.layers["b_i_'+ k + '_p"].visibility = "visible"') 
  
   }   
   if(Opera)
   {
    eval('document.getElementById("b_i_'+ num + '_p").style.visibility = "visible"') 
	eval('document.getElementById("b_i_'+ num + '_a").style.visibility = "hidden"') 
	eval('document.getElementById("b_i_'+ k + '_p").style.visibility = "visible"') 
	
	}
  }	
}