// Create/Show dialog server-side
function dialog_create(id) {
	var dialogWidget = dijit.byId(id);
	if( dialogWidget ) dialogWidget.destroyRecursive(true);
		dialogWidget = new dijit.Dialog( { }, dojo.byId(id));
	var dialog = dojo.byId(id);
	dialog.parentNode.removeChild(dialog);
	var form = document.forms[0];
	form.appendChild(dialog);
	dialogWidget.startup();
}

// Set URL in self-created Frame-attribute Url
function SetViewURL() {
	top.document.getElementById('Body').url = location.href
}

// get width of active document
function getDocWidth() {
	return document.body.clientWidth
}

// Get UnId's from selected docs in browser
function getSelectedDocs(){
	/*
	This function returns selected document UNIDs from an HTML-syle web view
	*/
	var iX = 0
	var aUNID = new Array()
	var hForm = window.document.forms[0]
	if (hForm != null) {
		for (var iY = 0; iY < hForm.elements.length; iY++) {
 			if (hForm.elements[iY].type == "checkbox" && hForm.elements[iY].name == "$$SelectDoc" && hForm.elements[iY].checked) {
				aUNID[iX] = hForm.elements[iY].value
				iX++
 			}
 		}
 	}
 	return aUNID
}


// Gets the value of a parameter in an URL
function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("&") > -1 ){
//    var strQueryString = strHref.substr(strHref.indexOf("&")).toLowerCase();
    var strQueryString = strHref.substr(strHref.indexOf("&"));
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if ( aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
}

//Full Database path in browser
function DbPath()
{
	var loc = location.pathname;
	return loc.substr(0, loc.indexOf('.nsf')+4);
}

//Get mode: ?OpenDocument, ?EditDocument, ?OpenForm
function getDocMode(){
	var loc = location.href.toLowerCase();
	if (loc.indexOf('?openform') >=0 ) return 'new'
	else if (loc.indexOf('?opendocument') >= 0) return 'read'
	else if (loc.indexOf('?editdocument') >= 0) return 'edit'
	else return 'error reading mode'
}

// Validate the fieldvalue Deeltijd
function isNumeric(elem){
	var numericExpression = /^[0-9,]+$/;
	if(elem.value.match(numericExpression)){
//		elem.value = replaceAll( elem.value, [",", "."] ) 
		return true;
	} else {
		alert( 'Er is een fout opgetreden bij invoeren van de deeltijd.\n\nDe invoer is een getal tussen 0 en 100.\nDecimalen dienen te worden gescheiden door een komma.');
		return false;
	}
}

// Set focus to field
function setFormFocus(fieldname) {
	if (document.getElementById(fieldname)) {
		document.getElementById(fieldname).focus(); 
		document.getElementById(fieldname).select();
		}
}


function Left(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}
function Mid(strInput,intStart,intLength)

{

return strInput.substring(intStart,intLength)  

}

//Trim fieldvalue
function trim(value) {
  value = value.replace(/^\s+/,''); 
  value = value.replace(/\s+$/,'');
  return value;
}

//Open a form in a new window	
function OpenElement(ElementName,h,w)
{
	var targetURL = DbPath() + ElementName;
	var dialogHeight = h;
	var dialogWidth = w;
	var dialogTop = (screen.height - h) / 2;
	var dialogLeft = (screen.width - w) / 2;
	var dialogParameter = 'dependent=yes,height='+ dialogHeight + ',left='+ dialogLeft + ',location=no,menubar=no,resizable=no,scrollbars=yes,status=yes,toolbar=no,top='+ dialogTop + ',width='+ dialogWidth + '';

	window.open(targetURL, 'Dialog', dialogParameter);
}

// Refresh/Set Content of RTF field
// If doc in read then content is in div else content is in field
// type variable contains fld (field) or div else error
function setRTFContent(type,source,destination) {
	if (type == 'fld') document.getElementById(destination).innerHTML = document.getElementById(source).value
	else if (type == 'div') document.getElementById(destination).outerHTML = document.getElementById(source).innerHTML
	else alert('De opgegeven bron en/of doel zijn niet beschikbaar.')
}

function pause(numberMillis) 
{
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true)
	{
		now = new Date();
		if (now.getTime() > exitTime)
		{
			return;
		}
	}    
}

function KillTwisties() {
/*var anzBilder = document.images.length
	for(i=0; i<anzBilder; i++) {
		var Bild = document.images[i];
		var BildURL = Bild.src;

		if (BildURL.indexOf('/icons/collapse.gif') != -1) {
			Bild.src=DbPath() + "/collapsed.gif?OpenImageResource";Bild.width="13";Bild.height="13";}

		if (BildURL.indexOf('/icons/expand.gif') != -1) {
			Bild.src=DbPath() + "/expanded.gif?OpenImageResource";Bild.width="13";Bild.height="13";}
	}
*/
	var allImages = document.getElementsByTagName('IMG')
	for(i=0; i<allImages.length; i++) {
		var imgObj = allImages[i];
		var imgURL = imgObj.getAttribute('src');
		if (imgURL.indexOf('/icons/collapse.gif') != -1) {
			imgObj.setAttribute('src', DbPath() + "/collapsed.gif?OpenImageResource");
			imgObj.setAttribute('width',"13");
			imgObj.setAttribute('height',"13");
		}
		if (imgURL.indexOf('/icons/expand.gif') != -1) {
			imgObj.setAttribute('src', DbPath() + "/expanded.gif?OpenImageResource");
			imgObj.setAttribute('width',"13");
			imgObj.setAttribute('height',"13");
		}
	}
}

//Get current browser
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function pointRadialDistance(lat,lon,dist) {
	var rEarth = 6371.01; // Straal van de aarde in km
	var epsilon = 0.000001 //Treshold for floating-point equality
	var rdist = dist/rEarth
	var rlat = lat*Math.PI/180;
	var rlon = lon*Math.PI/180;
	var rlat1 = 0.0;
	var rlon1 = 0.0;
	var brng = 0; // Hoek, 0 = noorden, 90 = oosten, 180 = zuiden en 270 = westen
	var coords = new Array(4);
	for (brng=0;brng<=270;brng=brng+90){
		var rbrng = brng*Math.PI/180; //graden
		rlat1 = Math.asin( Math.sin(rlat)*Math.cos(rdist) + Math.cos(rlat)*Math.sin(rdist)*Math.cos(rbrng) );
		if (Math.cos(rlat1) == 0 || Math.abs(Math.cos(rlat1)) < epsilon) {
			rlon1 = rlon;
		} else {
			rlon1 = ((rlon - Math.asin(Math.sin(rbrng)*Math.sin(rdist)/Math.cos(rlat))+Math.PI)%(2*Math.PI))-Math.PI;
		}
		var lat1 = rlat1*180/Math.PI
		var lon1 = rlon1*180/Math.PI
		switch(brng) {
			case 0: //noorden
				coords[0] = lat1;
				break;
			case 90: //westen
				coords[3] = lon1;
				break;
			case 180: //zuiden
				coords[2] = lat1;
				break;
			default: //oosten
				coords[1] = lon1;
		}
	}
	return coords;
}