function initLightbox() 
{ 
	myLightbox = new Lightbox();
	var firstLight;
	if(firstLight=document.getElementById('id'))
		firstLight.onclick.apply(firstLight);
 }
 


function navigate( target )
{
	topnav = document.getElementById('topnavigation');
	
	topnav.className = target;

	
	$('navfirst').style.display = target == 'navfirst' ? 'block' : 'none';
	$('navsecond').style.display = target == 'navsecond' ? 'block' : 'none';
	$('navthird').style.display = target == 'navthird' ? 'block' : 'none';
	
	$('currenttab').value = target;
	/*$('navstart').style.display = target == 'navstart' ? 'block' : 'none';*/
	
}


function processing_start()
{
	$('previewsubmitbutton_id').style.display = 'none';
	$('processing_gif').style.display = 'block';
}

function processing_stop()
{
	
	$('processing_gif').style.display = 'none';
	$('previewsubmitbutton_id').style.display = 'block';
}

function in_array(string, array)  
{  
   	for (i = 0; i < array.length; i++)  
   	{  
      	if(array[i] == string)  
      	{  
         	return true;  
      	}  
   	}  
	return false;  
} 

function customformat()
{
	$('AdFormat').options[0].selected = true;
}