function changeid(obj,o,n)
{
   var k;
   for(k=1;k<=5;k++)
   {
      if(k==n)
	  {
		  document.getElementById(obj+n).style.display="block";
		  document.getElementById(o+n).style.backgroundImage="url(images/c_bg.gif)";
		  document.getElementById(o+n).style.color="#000";
	  }
	  else
	  {
	      document.getElementById(obj+k).style.display="none";
		  document.getElementById(o+k).style.backgroundImage="";
		  document.getElementById(o+k).style.color="#fff";
	  }
	  
   }
}

function change_tab(obj,o,n)
{
   var k;
   for(k=1;k<=5;k++)
   {
      if(k==n)
	  {
		  document.getElementById(obj+n).style.display="block";
		  document.getElementById(o+n).className="blue_bg";
		  document.getElementById(o+n).style.color="#fff";
	  }
	  else
	  {
	      document.getElementById(obj+k).style.display="none";
		  document.getElementById(o+k).className="";
		  document.getElementById(o+k).style.color="#4b4b4b";
	  }
	  
   }
}

function change_expert(obj,o,n)
{
   var k;
   for(k=1;k<=5;k++)
   {
      if(k==n)
	  {
		  document.getElementById(obj+n).style.display="block";
		  document.getElementById(o+n).className="white_bg";
		  document.getElementById(o+n).style.color="#0e62a8";
	  }
	  else
	  {
	      document.getElementById(obj+k).style.display="none";
		  document.getElementById(o+k).className="";
		  document.getElementById(o+k).style.color="#4b4b4b";
	  }
	  
   }
}