// array of images 
var imgs = new Array(11); 
  imgs[0] = "/repairnet/images/site/submit_on.gif"; 
  imgs[1] = "/repairnet/images/site/submit_off.gif"; 
  imgs[2] = "/repairnet/images/site/cancel_on.gif"; 
  imgs[3] = "/repairnet/images/site/cancel_off.gif"; 
  imgs[4] = "/repairnet/images/site/edit_on.gif"; 
  imgs[5] = "/repairnet/images/site/edit_off.gif"; 
	imgs[6] = "/repairnet/images/site/methods_manual_on.gif"; 
	imgs[7] = "/repairnet/images/site/methods_manual_off.gif"; 
	imgs[8] = "/repairnet/images/site/newsletter_on.gif"; 
	imgs[9] = "/repairnet/images/site/newsletter_off.gif"; 
	imgs[10] = "/repairnet/images/site/tech_profile_on.gif"; 
	imgs[11] = "/repairnet/images/site/tech_profile_off.gif"; 

// preload the images 
function preload() { 
	var tmp = null; 
	for (var j = 0; j < imgs.length; j++) { 
  	tmp = imgs[j]; 
  	imgs[j] = new Image(); 
  	imgs[j].src = tmp; 
 	} 
} 
void(preload()); 

// swap images 
function imgSwap(img, swap) { 
	img.src = imgs[swap].src; 
} 

function onEnter( evt, frm ) 
{
	var keyCode = null;
	
	if( evt.which ) 
	{
		keyCode = evt.which;
	} 
	else if( evt.keyCode ) 
	{
		keyCode = evt.keyCode;
	}
	if( 13 == keyCode ) 
	{
		frm.submit();
		return false;
	}
		return true;
}