/*
Prevent JS error from appearing on the client browser
*/
function stopErrors() {
	return true;
}
//window.onerror = stopErrors;


/*
Trim a string from leading and trailing spaces
*/
function Trim(iString) {
  iString = iString.replace( /^\s+/g, "" );
  return iString.replace( /\s+$/g, "" );
}


/*
Pre-load image functions
*/
function preloadBaseImages() {
	var imageArray = new Array('loading.gif', 
							   'progress_dots.gif');
							   
    preloadImages(imageArray, '/images/');
}


/*
Pre-load the image array
*/
function preloadImages(imageArray, dirPrefix) {
	for(i = 0; i < imageArray.length; i++) {
		var imageName = new Image();
        imageName.src = dirPrefix + imageArray[i];
	}
}


/*
Find an object on the page
*/
function findObj(objName) {
	var theObj = document.getElementById(objName);
	
	if (!theObj) {
		//theObj = document.all[objName];
	}
	
	return theObj;
}


/*
Replaces text with by in string
*/
function replace(string, text, by) {
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}


/*
"width=480,height=350,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0"
*/
function launchWin(urlPath, winName, params) {	
	var paramArray = params.split(",");
	var windowWidth = Trim(paramArray[0].split("=")[1]);
	var windowHeight = Trim(paramArray[1].split("=")[1]);

	var windowLeft = (self.screen.width-windowWidth) / 2;
	var windowTop = (self.screen.height-windowHeight) / 2;
	
	params = params + ',top=' + windowTop + ',left=' + windowLeft;
	//alert(params);
	
	var winName = window.open(urlPath,winName,params);
	
	//winName.moveTo((self.screen.width-windowWidth) / 2, (self.screen.height-windowHeight) / 2);
	winName.focus();

	/*
	var paramArray = params.split(",");
	var windowWidth = Trim(paramArray[0].split("=")[1]);
	var windowHeight = Trim(paramArray[1].split("=")[1]);	
	
	winDialog = window.showModalDialog(urlPath, winName,"dialogHeight:" + windowHeight + "px;dialogWidth=" + windowWidth + "px;status:0;help:0;center:1");
	*/
}


/*
Reload the current window after a set time
*/
function reloadWindowTimeout() {
	setTimeout('window.location.reload();', 250);
}


/*
Redirect the current window after a set time
*/
function redirectWindowTimeout(iLocation) {
	setTimeout('window.location.href=\'' + iLocation + '\'', 250);
}


/*
Toggle any sub menus if necessary
*/
function showLeftMenu(iParentObj) {
	var tmpID = iParentObj.attr('id').replace('link_', '');

	if (iParentObj.hasClass('leftHandLinkCurrent')) {
		$('#sub_menu_' + tmpID).hide('slow');
		iParentObj.removeClass('leftHandLinkCurrent');
		
	} else {
		$('#sub_menu_' + tmpID).show('slow');
		iParentObj.addClass('leftHandLinkCurrent');
	}
}