var iPath = '/vimages/nav_';
var iExt = 'gif';
var suffix = new Array('on', 'off');

function preLoad()
{
  if(document.images)
  {
    var argLen = arguments.length;
    for(var i = 0; i < argLen; i++)
    {
      var arg = arguments[i];
      var sufLen = suffix.length;
      for(j = 0; j < sufLen; j++)
      {
        var suf = suffix[j];
        self[arg + '_' + suf] = new Image();
        self[arg + '_' + suf].src = iPath + arg + '_' + suf + '.' + iExt;
      }
    }
  }
}

function hideAll() {
	var sufName = new Array('cinfo','artist','seastars','order','contact');
	var sufNameLen = sufName.length; 
	
	for(var i=0; i < sufNameLen; i++) {
		var srg = sufName[i];
		document.getElementById('submenu_'+srg).style.visibility = "hidden";
	}
}


function rollOver(iName, iState)
{
  hideAll();
  if(document.images && self[iName + '_' + iState])
  {
	document.getElementById(iName).src = self[iName + '_' + iState].src;
	document.getElementById('submenu_'+iName).style.visibility = "visible";
  }
}

function onLoad()
{
  preLoad('cinfo','artist','seastars','order','contact');
}

window.onload = onLoad;