// Trim
function trimAll(sString) 
{
    while (sString.substring(0,1) == ' ')
    {
        sString = sString.substring(1, sString.length);
    }
    while (sString.substring(sString.length-1, sString.length) == ' ')
    {
        sString = sString.substring(0,sString.length-1);
    }
    return sString;
}

// Arrays
function ExistsInArray(arr, obj)
{
    for(var i=0;i<arr.length;i++)
    {
        if(arr[i] == obj)
        {
            return true;
        }
    }
    return false;
}

function RemoveFromArray(arr, obj)
{
    for(var i=0;i<arr.length;i++)
    {
        if(arr[i] == obj)
        {
            // Found the item to remove
            arr.splice(i, 1);
            return true;
        }
    }
    return false;
}

function IndexOf(array, obj)
{
    var ret = -1;
    
    for(var i = 0; i < array.length; i++)
    {
        if(array[i] == obj)
        {
            ret = i;
            break;
        }
    }
    return ret;
}

function ArrayFromStr(str, divideStr)
{
    if (str == null || trimAll(str) == "")
    {
        return new Array();
    }
    var strArray = str.split(divideStr);
    var ret = new Array();
    for(var i=0; i<strArray.length; i++)
    {
        var s = trimAll(strArray[i]);
        ret.push(s);
    }
    return ret;
}

function StrFromArray(arr, divideStr)
{
    if(arr.length == 0) return "";
    
    var ret = "";
    for(var i=0;i<arr.length;i++)
    {
        // Found the item to remove
        ret+= arr[i].toString() + divideStr;
    }
    
    ret = ret.substring(0, ret.length - divideStr.length); // remove trailing item e.g. ", "
    return ret;
}

function ArrayFromCsv(csv) { return ArrayFromStr(csv, ","); }
function CsvFromArray(arr) { return StrFromArray(arr, ", "); }

function ArrayFromClassNames(cNames) { return ArrayFromStr(cNames, " "); };
function ClassNamesFromArray(arr) { return StrFromArray(arr, " "); };

function AddClass(cClass, className)
{
    var arr = ArrayFromClassNames(cClass);
    if(!ExistsInArray(arr, className))
    {
        arr.push(className);
    }
    return ClassNamesFromArray(arr);
};

function ReplaceClass(cClass, newClassName, oldClassName)
{
    if(cClass.indexOf(oldClassName) != -1)
    {
        return cClass.replace(oldClassName, newClassName);
    }
    else return AddClass(cClass, newClassName);
};

function RemoveClass(cClass, className)
{
    var arr = ArrayFromClassNames(cClass);
    RemoveFromArray(arr, className);
    return ClassNamesFromArray(arr);
};

function RemoveClasses(cClass, classes)
{
    var arr = ArrayFromClassNames(cClass);
    for(var i=0;i<classes.length;i++)
    {
        RemoveFromArray(arr, classes[i]);
    }
    return ClassNamesFromArray(arr);
};

// Href (_target) Links
function setTarget(e, target)
{
	//Get source element...
	var eSrc;
     if( !e )
     {
         eSrc = window.event.srcElement;
     }
     else
     {
         eSrc = e.srcElement;
         if( !eSrc )
             eSrc = e.target;
     }
	
	//Walk up tree until we get to an A. 
	while(eSrc.tagName != "A" && String(eSrc) != "undefined" )
	{
		if(eSrc.parentElement)
			eSrc = eSrc.parentElement;
		else
			eSrc = eSrc.parentNode;
	}
	
	//Set the target.
	eSrc.target=target;
	
	return false;
}

// Html Elements
function getElement(eID)
{
	var ret = null;
	
	if( document.layers )	//NS method.
	{
		try
		{
			ret = document.layers(eID);
		}
		catch(e){}
	}
	else if( document.getElementById )			   //W3C method.
	{
		try
		{
			ret = document.getElementById(eID);
		}
		catch(e){}
	}
	else if( document.all )			   //IE method.
	{
		try
		{
			ret = document.all(eID);
		}
		catch(e){}
	}
	//else element not found.
	return ret;
}

function getFormElement(eID)
{
	var ret = null;
	
	try
	{
		ret = document.forms[0].all(eID); //IE method.
	}
	catch(e){}
	
	//else element not found.
	return ret;
}

// Forms
function blankInput(n, t)
{
	var el = getElement(n);
	
	if(el.value == t)
		el.value = "";
}

function restoreDefault(n, t)
{
	var el = getElement(n);
	if(el.value == "")
		el.value = t;
}

function actionControlClick(e, ActionControlId, methodName)
{
    try
	{
        var result = eval(methodName + "();");
        if(!result)
        {
            window.event.cancelBubble = true;
            return false;
        }
	}
	catch(err){}
	return true;
}

function textBoxKeyPress(e, ActionControlId)
{
	try
	{
	    var ie = (document.all)?true:false;
        var nn = (document.layers)?true:false;
	    var icode, ncode, key;
	
		if(ie)
		{
			icode = event.keyCode;
			ncode = 0;
			key = String.fromCharCode(event.keyCode);
		}
		else if(nn)
		{
			icode = 0;
			ncode = e.which;
			key = String.fromCharCode(e.which);
		}
		
		if(icode == 13 || ncode == 13)
		{
		    // Find the actioncontrol
		    var aControl = getFormElement(ActionControlId);
		    if(aControl != null)
		    {
		        aControl.click();
                return false; // cancel this event
		    }
		}
	}
	catch(err){}
	return true;
}

// Windows
function PopupWindow(URL,Width,Height)
{
	try
	{
		if (Width =="" || Width == null) Width =486;
		if (Height == "" || Height == null) Height =500;

		var features =
		',directories=0'+
		',location=0'   +
		',menubar=0'   +
		',scrollbars=1'+
		',status=0'   +
		',toolbar=0'   +
		',resizable=1' +
		',width=' + Width +
		',height=' + Height +
		',screenX=15'
		',screenY=15'
		',top=15'+
		',left=15';
		URL = URL.replace(/\s/,'%20');
		var w=window.open (URL, '', features);
		w.focus();
	}
	catch(e){}
}

function CancelEvent()
{
    window.event.cancelBubble = true;
    return false;
}