function stopError() {
  return true;
}
// Enable this when site goes live
window.onerror = stopError;

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func;
    }
  }
}


addLoadEvent(function() { 
	remove_focus();
	preloadImagesCommon();
	loadCorners();
	//alert("add event");
})

//char code 13 should be 'return', charcode 3 is 'Enter'
function blockEnter(evt,form) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode :
        ((evt.which) ? evt.which : evt.keyCode);
    if (charCode == 3) {
		if (form.onsubmit()) {
	        form.submit();
		} else {
			return false;
		}
    } else {
        return true;
    }
}

// Clean out focus outline from anchors
function remove_focus(){
	if (document.links) {
		for (var i=0;i<document.links.length;i++) {
			var OriginalJSFunction = document.links[i].getAttribute("onclick");
			document.links[i].setAttribute("onclick","this.blur();" + OriginalJSFunction + ";");
		}
	}
}

function newImage(arg) { 
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
	//	alert(rslt.src);
		return rslt;
	}
}


function preloadImagesCommon(){
	if (document.images){
		var nav_drop_orange			= newImage("/assets/images/tabs/nav_drop_orange.jpg");
		var nav_side_gray			= newImage("/assets/images/tabs/nav_side_gray.jpg");
		var nav_top_gray			= newImage("/assets/images/tabs/nav_top_gray.jpg");
		var nav_bottom_gray			= newImage("/assets/images/tabs/nav_bottom_gray.jpg");
		var nav_top_faded			= newImage("/assets/images/tabs/nav_top_null.gif");
		}
	}