String.prototype.startsWith = function(str)
{ return (this.match("^" + str) == str) }


//Function to convert hex format to a rgb color
function rgb2hex(rgb) {
    rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
    return "#" +
  ("0" + parseInt(rgb[1], 10).toString(16)).slice(-2) +
  ("0" + parseInt(rgb[2], 10).toString(16)).slice(-2) +
  ("0" + parseInt(rgb[3], 10).toString(16)).slice(-2);
}


function openWin(url, w, h, scrollbars, resizable)
{
	var x = 0;
	var y = 0;

	//breedte en plaats bepalen
	if (  screen.width <=  w )
		//breedte past niet op scherm
		w =  screen.width - 100;
	else
		//breedte past wel
		x = ( screen.width - w ) / 2;
	
	//hoogte bepalen
	if (  screen.height <=  h )
		//breedte past niet op scherm
		h =  screen.height - 100;
	else
		//preview breedte past wel
		y = ( screen.height - h ) / 2;
	
	var opties = "width=" + w + ", height=" + h + ",scrollbars=" + scrollbars + ",resizable=| + resizable + |, left="+x+",top="+y+"";
	var popup = window.open(url , "popup", opties);
	popup.focus();
}

/* treeview functions */
function OnTreeClick(evt) {
    var src = window.event != window.undefined ? window.event.srcElement : evt.target;
    var isChkBoxClick = (src.tagName.toLowerCase() == "input" && src.type == "checkbox");
    if (isChkBoxClick) {
        var parentTable = GetParentByTagName("table", src);
        var nxtSibling = parentTable.nextSibling;
        if (nxtSibling && nxtSibling.nodeType == 1)//check if nxt sibling is not null & is an element node
        {
            if (nxtSibling.tagName.toLowerCase() == "div") //if node has children
            {
                //check or uncheck children at all levels
                CheckUncheckChildren(parentTable.nextSibling, src.checked);
            }
        }
        //check or uncheck parents at all levels
        CheckUncheckParents(src, src.checked);
    }
}

function CheckUncheckChildren(childContainer, check) {
    var childChkBoxes = childContainer.getElementsByTagName("input");
    var childChkBoxCount = childChkBoxes.length;
    for (var i = 0; i < childChkBoxCount; i++) {
        childChkBoxes[i].checked = check;
    }
}

function CheckUncheckParents(srcChild, check) {
    var parentDiv = GetParentByTagName("div", srcChild);
    var parentNodeTable = parentDiv.previousSibling;

    if (parentNodeTable) {
        var checkUncheckSwitch;

        if (check) //checkbox checked
        {
            checkUncheckSwitch = true;
        }
        else //checkbox unchecked
        {
            checkUncheckSwitch = false;
            var isAllSiblingsUnChecked = AreAllSiblingsCheckedUnchecked(srcChild,false);
            if (isAllSiblingsUnChecked)
                checkUncheckSwitch = false;
            else
                return; //do not need to check parent if any child is not checked
        }

        var inpElemsInParentTable = parentNodeTable.getElementsByTagName("input");
        if (inpElemsInParentTable.length > 0) {
            var parentNodeChkBox = inpElemsInParentTable[0];
            parentNodeChkBox.checked = checkUncheckSwitch;
            //do the same recursively
            CheckUncheckParents(parentNodeChkBox, checkUncheckSwitch);
        }
    }
}

function AreAllSiblingsCheckedUnchecked(chkBox,check) {
    var parentDiv = GetParentByTagName("div", chkBox);
    var childCount = parentDiv.childNodes.length;
    for (var i = 0; i < childCount; i++) {
        if (parentDiv.childNodes[i].nodeType == 1) //check if the child node is an element node
        {
            if (parentDiv.childNodes[i].tagName.toLowerCase() == "table") {
                var prevChkBox = parentDiv.childNodes[i].getElementsByTagName("input")[0];
                //if any of sibling nodes are not checked, return false
                if (prevChkBox.checked!=check) {
                    return false;
                }
            }
        }
    }
    return true;
}

//utility function to get the container of an element by tagname
function GetParentByTagName(parentTagName, childElementObj) {
    var parent = childElementObj.parentNode;
    while (parent.tagName.toLowerCase() != parentTagName.toLowerCase()) {
        parent = parent.parentNode;
    }
    return parent;
}

/* end treeview functions */

var currExpandRowId = null;

function ExpandCollapseRow(RowId, Expand) {

    // collapse current row?
    if (Expand && currExpandRowId != null) {
        ExpandCollapseRow(currExpandRowId, false);

        if (currExpandRowId == RowId) {
            currExpandRowId = null;
            return;
        }
    }
    
    // expand row
    var elements = document.getElementsByTagName('*');
    
    for(var i=0;i<elements.length;i++)
    {
        var elm = elements[i];

        if (elm.id.startsWith(RowId + "@")) {
            elm.style.display = (Expand) ? '' : 'none';
            document.getElementById("imgExp" + RowId).src = "/images/" + ((Expand) ? "collapse.gif" : "expand.gif"); 
        }
    }

    currExpandRowId = RowId;

}

function paginaLoader(show) {

    document.getElementById('loadingDiv').style.display = show ? '' : 'none';

}

/* help */
function Op(inPopUp, url) {
    if (inPopUp) {
        openWin(url, 400, 620, false, false);
    }
    else {
        var popup = window.open(url, "popup");
        popup.focus();
    }
}


function HelpMsg(Url, WinType, w, h) {

    if (w == undefined) {
        w = 350;
    }

    if (h == undefined) {
        h = 200;
    }

    var msg = "<table border=0 style='background-color:white;width:" + w + "px;height:" + h + "'>";
    msg += "<tr>";
    msg += "<td>";
    msg += "<iframe style='width:" + w + "px;height:" + h + "' frameborder=\"0\" scrolling=\"auto\" src=\"" + Url + "\"></iframe>";
    msg += "</td>";
    msg += "</tr>";
    msg += "</table>";

    switch (WinType) {
        case 0:
            ToFix(msg);
            break;
        case 1:
            To(msg);
    }

}

function MoverMsg(Msg) {
    var msg = "<table border=0 style='width:300px;'>";
    msg += "<tr>";
    msg += "<td>";
    msg += Msg;
    msg += "</td>";
    msg += "</tr>";
    msg += "</table>";

    To(msg);
}

function To(msg) {
    Tip(msg, DELAY, 0, BGCOLOR, '#ffffff', PADDING, 4, BORDERCOLOR, '#aaaaaa', SHADOW, true, OFFSETY, 17);
}

function ToFix(msg) {
    Tip(msg, CLOSEBTN, true, FOLLOWMOUSE, false, DELAY, 0, BGCOLOR, '#ffffff', PADDING, 4, BORDERCOLOR, '#aaaaaa', SHADOW, true, OFFSETY, 17);
}


function isValidEmail(e) {
    return /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/ .test(e);
}

var hoverToolTip = false;
var skipHide = false;

function hideTooltip() {
    if (skipHide) {
        skipHide = false;
        return;
    }

    if (hoverToolTip) return;

    $("#tt").css("display", "none");
    $('#tt').html('');
    //$("#tt").fadeOut("fast");

}

function maxChecked(max, chkbox) {
    var enabled = false;

    enabled = $('input[name=' + chkbox.name + ']:checked').length < 3;

    $('input[name=' + chkbox.name + ']').each(
        function () {
            this.disabled = !enabled && !this.checked;
        });

}