function getElement(psID) {
   if(document.all) { 
      return document.all[psID]; 
   } else if(document.getElementById) { //IE
      return document.getElementById(psID); 
   } else { 
      for (iLayer = 1; iLayer < document.layers.length; iLayer++) { 
      if(document.layers[iLayer].id == psID) {
         return document.layers[iLayer]; }}
   } return null; 
}

function preLoadTextBox() {
	for(x=3;x<=15;x++) {
		eval("var img"+x+" = new Image()");
		eval("img"+x+".src = '../assets/images/img_text_f"+x+".jpg'");
	}
}

var isNavOver = false;

function changeTextBox( navItem, link ) {
	return; // remove this line to turn back on
	var elm = getElement('TextBlock');
	var frm = getElement('NewsBlock');
	elm.style.display = 'block';
	frm.style.display = 'none';
	isNavOver = true;
	switch( navItem ) {
		case 'welcome':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f4.jpg)';
			break;
		case 'grants':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f15.jpg)';
			break;
		case 'calendar':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f11.jpg)';
			break;
		case 'directory':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f12.jpg)';
			break;
		case 'rental':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f5.jpg)';
			break;
		case 'about':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f13.jpg)';
			break;
		case 'cat':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f8.jpg)';
			break;
		case 'commandos':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f14.jpg)';
			break;
		case 'public':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f10.jpg)';
			break;
		case 'visitor':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f9.jpg)';
			break;
		case 'resource':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f6.jpg)';
			break;
		case 'gallery':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f4.jpg)';
			break;
		case 'marketing':
			elm.style.backgroundImage = 'url(../assets/images/img_text_f16.jpg)';
			break;
		default:
			break;
	}
	link.onmouseout = function() { isNavOver = false; };
}

function resetTextBox() {
	var elm = getElement('TextBlock');
	var frm = getElement('NewsBlock');
	if(elm) {
	elm.style.display = 'none';
	frm.style.display = 'block';
	}
}

function setResetTextBox() {
	var f = function() { setResetTextBox(); }
	if( !isNavOver ) { 
		resetTextBox(); 
	}
	timer = setTimeout(f,2000);
}

preLoadTextBox();
window.onload = window.onload=new Function("setResetTextBox()");