function fillempty(el,text,action)
{
 var vid = document.getElementById(el);
if(action==1)
{ 
   if(vid.value.length<1 || vid.value==text)
    {
     vid.value = '';
    } 
    
 }else if(action == 0){
 
   if(vid.value.length<1)
    { 
     vid.value = text;
    } 
 }
}

function centernnav()
{
var d = document.getElementsByTagName('h2');
var x = document.getElementsByTagName('span');

for(var a=0; a<d.length;a++)
 {
  if(d[a].className == 'nnav' || d[a].className=='cnav')
   {
	  var w = d[a].clientWidth;
   }
 }

for(var i=0; i<x.length;i++)
 {
  if(x[i].className == 'ruller')
   {		
	  ww = x[i].clientWidth;
	  nw =( w - ww ) / 2; 
	  x[i].style.left = nw + 'px';
	  //x[i].innerHTML = '<div style="width:' + nw + 'px;height:35px;border:0;background-color:transparent;"></div>' + x[i].innerHTML; 
   }
 }

}