// trim
function trim(str)
{
	if (!str.match(/\S/))
		return ''
	str = str.replace(/^(\s*)(\S)(.*)$/,'$2$3') // trim left
	str = str.replace(/^(.*)(\S)(\s*)$/,'$1$2') // trim right
	return str
}

/*
 * preloading an image. creating an image object with given source
 * imgObj: name of object to be created
 * imgSrc: URL of image 
 */
function preload(imgObj,imgSrc)
{
	if (document.images) {
		eval(imgObj+' = new Image()');
		eval(imgObj+'.src = "'+imgSrc+'"');
    }
}

/*
 * This function receives a comma separated string where each
 * pair is an image object name and an image URL.
 * the function then goes over these pairs array and invokes the
 * preload function to load the images into the browser's memory
*/
function preloadThem(str)
{
	var arr = str.split(/\s*,\s*/)
	for (i = 0; i < arr.length; i += 2)
	{
		//alert(arr[i]+"\n"+arr[i+1])
		preload(arr[i],arr[i+1])
	};
}

/*
 * Used to invoke preloadThem() function.
 * Please read the preloadThem() documentation.
 */
function preloadImages(str)
{
	document.onload = preloadThem(str);
}

/*
 * change a layer's image elemnt's source
 * layer: name of a non nesting layer. if null look for image in document.images
 * img: name of image element or an image object (or input type="image")
 * imgObjName: name of preloaded image object
 * -> image element of layer source would be replaced with image object's source
 */
function changeImage(img,imgObjName,layer)
{
	var imgObjSrc = eval(imgObjName+".src");
	// handle image object
	if (typeof(img) == 'object')
		img.src = imgObjSrc
	// handle image name
	else if (document.images && typeof(img) == 'string') {
        if (document.all || document.getElementById || layer == null)
            document.images[(img)].src = imgObjSrc;
        else eval('document.'+layer+'.document.images["'+img+'"].src = ' + imgObjSrc);
    }
}

// parse file name from file's path
function getFileName(filePath)
{
    var p = Math.max(filePath.lastIndexOf('/'),filePath.lastIndexOf('\\'))
    return filePath.substring(p + 1,filePath.length)
}

// This function opens a new window in the middle of the screen
// Parameters:
// w - the width of the window
// h - the height of the window
// ur - the URL of the window
// target - optional target of the window
// params - optional window parameters
function openwindow(w,h,ur,target,params)
{
	var winleft = screen.width/2 - w/2
	var wintop = screen.height/2 - h/2 - 30
	var fullParams = 'width=' + w + ',height=' + h + ',' + 'top=' + wintop + ',left=' + winleft + ','
	if (!params)
		params = 'scrollbars=auto,menubar=no,resizable=yes,toolbar=no,location=no,status=no'
	fullParams += params
	if (!target) target = ''
	var newWinObj = window.open(ur,target,fullParams)
	if (newWinObj) newWinObj.focus()
	return newWinObj
}

// return reference to an object.
// compatible with IE4 and above, NS6 and above
function getObjectById(id)
{
	if (document.all)
		return document.all(id)
	else if (document.getElementById)
		return document.getElementById(id)
	else
		return null
}

// display number with given precision
// returns a string
function precision(num,p)
{
	if (!p || isNaN(num) || num.length == 0)
		return num
	num *= Math.pow(10,p)
	num = Math.round(num)
	num = num*10 + 1
	num /= Math.pow(10,p+1)
	num = num.toString()
	num = num.substring(0,num.length-1)
	return num
}

// trim long strings to a limit of chars and replace with ...
function RTrimWith3dots(str, nChars)
{
	var reg = new RegExp('^(.{' + (nChars - 3) + '})(.{4,})$')
	if (reg.test(str))
		str = str.replace(reg,'$1...')
	return str
}

// Function for the public download
//This function is called during onLoad. if dl_id contains a value, download it
//to the client as the page loads
 
function download_pending() {
    if (data.dl_id.value != "") {
	
	    publicDownload(data.dl_id.value);
	
	}
	
}

function publicDownload(id) {

    self.location.href = "http://www.optier.com/public/download.asp?id="+id
	
}

function showDiv(divId,imgId)
	{
		if (document.getElementById(divId).style.display == "none")
		{
			document.getElementById(divId).style.display = "inline";
			if (imgId)
				document.getElementById(imgId).src = "http://www.optier.com/GUI/images/bullets/arrowDown.gif";
		}
		else
		{
			document.getElementById(divId).style.display = "none";
			if (imgId)
			document.getElementById(imgId).src = "http://www.optier.com/GUI/images/bullets/arrowRight.gif";
		}
	}