function showCount(textBox,countBox,maxLength)
{
    var lengthLeft = maxLength-parseInt(document.getElementById(textBox).value.length);
    if(lengthLeft<0)
        document.getElementById(countBox).innerHTML = '<span style="color:#f00; font-weight:bold;">0</span>';
    else
        document.getElementById(countBox).innerHTML = lengthLeft;
}

function confirmDelete(message)
{
    return confirm(message);
}

function futureAlert()
{
    alert("This functionality has not been implemented.");
}

function confirmOption(message,resultControl)
{
    document.getElementById(resultControl).value = confirm(message);
    return true;
}

 function IsValidDate(year,month,day,mandatory)
 {
    var dtDate;

    if(year==0&&month==0&&day==0)
    {
        return !mandatory;
    }
    else
    {
        month--;
        dtDate=new Date(year,month,day);

        return ((day==dtDate.getDate()) && (month==dtDate.getMonth()) && (year==dtDate.getFullYear()));
    }
 }

/* PRN 2907 */ 
function resizablePopUp( pageurl, name, width, height, resizable, scrollable)
{
	window.open( pageurl, name, "width=" +width + ",height=" + height + ",resizable=" + resizable + ",scrollbars=" + scrollable);
	return false;
}

function SelectDefault(id,defaultText)
{
    document.getElementById(id).focus();
    if(document.getElementById(id).value==defaultText)
        document.getElementById(id).select();
}

function toggleElement(id)
{
    document.getElementById(id).style.display=document.getElementById(id).style.display=='none'?'block':'none';
}

function Validate(array,arguments)
{
    file = arguments.Value;
    if(file != "")
    {
        while (file.indexOf("\\") != -1)
            file = file.slice(file.indexOf("\\") + 1);
        ext = file.slice(file.indexOf(".")).toLowerCase();
        for (var i = 0; i < array.length; i++) 
        {
            if (array[i] == ext) 
            { 
                arguments.IsValid = true;
                return;
            }
        }
    }
    arguments.IsValid = false;
}

function trim(str) {
	return ltrim(rtrim(str, ' '), ' ');
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function makeRequest(url,item,event) {
        e = getEvent(event); 
        if(e["keyCode"]==27)
        {
            closeDiv();
            return;
        }
        else if(e["keyCode"]==38)
            TagKeyUp();
        else if (e["keyCode"]==40)
            TagKeyDown();
        else if (e["keyCode"]==13)
        {
            TagKeyEnter();
           return false;
        }
        else
        {         
            // Parse the text 
            // Check if the current text is more than 3 chars
            var text=item.value;
            var arrWords=item.value.split(",");
            var reqUrl=url;
            gItem=item;
            
            if(text=="")
            {
                document.getElementById("AutoCompleteContainer").style.display="none";
                document.getElementById("AutoCompleteContainer").innerHTML="";
            }
            if(trim(arrWords[arrWords.length-1]).length>0)
            {
                var httpRequest;

                // Keep the CpdMatrixId for the example in a hidden field and 
                // pass in the request hard coded now
                reqUrl+="?Prefix="+trim(arrWords[arrWords.length-1])+"&CpdMatrixId=" + matrixId
                if (window.XMLHttpRequest) { // Mozilla, Safari, ...
                    httpRequest = new XMLHttpRequest();
                    if (httpRequest.overrideMimeType) {
                        httpRequest.overrideMimeType('text/xml');
                        // See note below about this line
                    }
                }
                else if (window.ActiveXObject) { // IE
                    try {
                        httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
                    }
                    catch (e) {
                        try {
                            httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
                        } 
                        catch (e) {}
                    }
                }

                if (!httpRequest) {
                    alert('Error :( Cannot create an XMLHTTP instance');
                    return false;
                }
                
                httpRequest.onreadystatechange = function() { alertContents(httpRequest); };
                httpRequest.open('GET', reqUrl, true);
                httpRequest.send('');
            }
            else
            {
                // Clear the display
            }
           
        }
         return true;
    }

function TagKeyUp()
{
    if((arrTags == null)||(arrTags.length==0))
        return;
    else
    {
        for(i=0;i<arrTags.length;i++)
        {
            if(arrTags[i].length > 0)
            {
                var item = document.getElementById(arrTags[i]);
                if(item != null)
                {
                    if(item.className=="selected")
                    {
                        changeStyle(document.getElementById(arrTags[i]));
                        if(i == 0)
                        {
                            changeStyle(document.getElementById(arrTags[arrTags.length-2]));
                        }
                        else
                            changeStyle(document.getElementById(arrTags[i-1]));
                        break;
                    }
                }
            }    
        }
    }
}

function TagKeyDown()
{
    if((arrTags == null)||(arrTags.length==0))
        return;
    else
    {
        for(i=0;i<arrTags.length;i++)
        {
            if(arrTags[i].length > 0)
            {
                var item = document.getElementById(arrTags[i]);
                if(item != null)
                {
                    if(item.className=="selected")
                    {
                        changeStyle(document.getElementById(arrTags[i]));
                        if(i == arrTags.length-2)
                        {
                            changeStyle(document.getElementById(arrTags[0]));
                        }
                        else
                            changeStyle(document.getElementById(arrTags[i+1]));
                        break;
                    }
                }
            }    
        }
    }
}

function TagKeyEnter()
{
   if((arrTags == null)||(arrTags.length==0))
    return;
  else
  {
    for(i=0;i<arrTags.length;i++)
    {
        if(arrTags[i].length > 0)
        {
            var item = document.getElementById(arrTags[i]);
            if(item!=null)
            {
                if(item.className=="selected")
                {
                    selectValue(item);
                }
            }
        }    
    }
  }
}

function alertContents(httpRequest) {
    if (httpRequest.readyState == 4) {
        if (httpRequest.status == 200) {
            // Split it into an array 
            arrTags=httpRequest.responseText.split("|");
            if(arrTags.length>0)
            {
                var strUl="<ul>";
                var hasContent = false;
                //strUl+="<li class='heading'>Matching Tags <div style='width:100%;text-align:right;display:inline'><a href='javascript:closeDiv()'>[Close]</a></div></li>";         
                for(var i=0;i<arrTags.length;i++)
                {
                    if(arrTags[i].length>1)
                    {
                        if(i==0)
                            strUl+="<li onclick=selectValue(this) onmouseover=changeStyle(this) onmouseout=changeStyle(this) id='"+arrTags[i]+"' class='selected'>"+arrTags[i]+"</li>";
                        else
                            strUl+="<li onclick=selectValue(this) onmouseover=changeStyle(this) onmouseout=changeStyle(this) id='"+arrTags[i]+"' class='normal'>"+arrTags[i]+"</li>";
                            hasContent = true;
                    }
                }
                strUl+="<ul>";
                if(hasContent)
                {
                    document.getElementById("AutoCompleteContainer").innerHTML=strUl;
                    document.getElementById("AutoCompleteContainer").style.display="block";
                }
                else
                    closeDiv();
           }
           else
           {
                closeDiv();
           }
        } 
    }
}

function BuildItems(tag)
{
    return "<li class='normal'>"+tag+"</li>";        
}

function KeyDown(array, index)
{
    alert(index);
}

function changeStyle(item)
{
    if(item.className=="normal")
        item.className="selected";
    else
        item.className="normal";
}

function disableEnterKey(e)
{
     var key;

     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox

     if(key == 13)
          return false;
     else
          return true;
}


function selectValue(item)
{
    var arrWords=gItem.value;
    
    // Reset Autocomplete field
    document.getElementById("AutoCompleteContainer").innerHTML="";
    document.getElementById("AutoCompleteContainer").style.display="none";
    gItem.value=arrWords.substring(0,arrWords.lastIndexOf(",")+1)+item.id;
    closeDiv();
}

function closeDiv()
{
    document.getElementById("AutoCompleteContainer").innerHTML="";
    document.getElementById("AutoCompleteContainer").style.display="none";
}

function getEvent(event) {
    return (event ? event : window.event);
}
    
function getCurDate()
{
    var dt = new Date();
    var month = dt.getMonth();
    var date = dt.getDate();
    var year = dt.getFullYear();
    
    dt.setDate(date);
    dt.setMonth(month);
    dt.setYear(year);
    dt.setMinutes(0);
    dt.setHours(0);
    dt.setSeconds(0);
    
    return dt;
}

function parseDate(date,month,year)
{
    if((date!='0')&&(month!='0')&&(year!='0'))
    {
        var dt=new Date();
    
        dt.setDate(date);
        dt.setMonth(month-1);
        dt.setYear(year);
        return dt;
    }
    else
        return null;
}