/* File browser functions */
var strSaveToField = '';
var strImageName = '';
var strAllowedFileTypes = '';
var intWidth = 32; // Default value
var intHeight = 32; // Default value

function filebrowser_open(inputField,strImage,strAllowedFile,Width,Height) {
	strSaveToField = inputField
	strImageName = strImage;
	strAllowedFileTypes = strAllowedFile;
	intWidth = Width;
	intHeight = Height;
	
	try { 
		if (typeof(TheFilebrowser) != 'undefined') {
			TheFilebrowser.focus();
		} else {
			TheFilebrowser = window.open("","filebrowser","width=1,height=1,left=2000,toolbar=no,scrollbars=no,resizable=no")
			if (TheFilebrowser.document.location.href.toLowerCase().indexOf('fileexplorer') == -1) {
				TheFilebrowser.close();
				filebrowser_open_window();
			}
			setTimeout('TheFilebrowser.focus();',100);
		}
	} 
	catch(er) {
		filebrowser_open_window();
	}
}

function filebrowser_open_window() {
	var intWidth = 790;
	var intheight = 521;
	var strExtraQuerystring = '';
	field = document.getElementById(strSaveToField);
	if (field != null) {
		strExtraQuerystring = '?id=' + field.value;
	}
	TheFilebrowser = window.open('fileexplorer' + strExtraQuerystring,"filebrowser","toolbar=no,width="+intWidth+",height="+intheight+",scrollbars=yes,resizable=yes");
	setTimeout('TheFilebrowser.focus();',100);
}

function filebrowser_open_for_browse() {
	var intWidth = 790;
	var intheight = 521;
    TheFilebrowser = window.open('fileexplorer?sfsi=0',"filebrowser","toolbar=no,width="+intWidth+",height="+intheight+",scrollbars=yes,resizable=yes");
}

function filebrowser_select(file) {
    // Moved ImageControlName to an input-field on function: filebrowser_open, AEH 21-12-2006
	//filetypes = document.getElementById(strSaveToField + '_AllowedFileTypes');
	//image = document.getElementById(strSaveToField + "Img");

	filetypes = document.getElementById(strAllowedFileTypes);
	field = document.getElementById(strSaveToField);
	image = document.getElementById(strImageName);
	
	if (field != null && image != null) {
		var booSetFile = false;
		if (filetypes.value != "") {
			if (!isNaN(file)) {
				loadFileInfoXML(file);
			} else {
				getFileTypeFromString(file);
			}
			if (strFileType != '') {
				if (filetypes.value.indexOf(strFileType) != -1) {
					booSetFile = true;
				}
			}
		} else {
			booSetFile = true;
		}
		if (booSetFile) {
			field.value = file;
			image.src = 'fileexplorer/fetchfile.aspx?file=' + file + '&mw=' + intWidth + '&mh=' + intHeight + '';
			window.focus();
		} else {
			window.focus();
			//alert("Den valgte fil er af en ugyldig filtype! Følgende filtyper er tilladt:\n\n" + filetypes.value);
			alert("Invalid filetype\n\n" + filetypes.value);
			TheFilebrowser.focus();
		}
	}
}

var xmlDoc;
var strFileType = '';
function loadFileInfoXML(intID) {
	// Load xml file
	if (window.ActiveXObject) { // code for IE
		xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
		xmlDoc.async = false;
		xmlDoc.load('fileexplorer/fetchfile.aspx?id=' + intID + '&i=1');
		getFileTypeFromXML()
	} else if (document.implementation && document.implementation.createDocument) { // code for Mozilla, etc.
		xmlDoc= document.implementation.createDocument("","",null);
		xmlDoc.load('fileexplorer/fetchfile.aspx?id=' + intID + '&i=1');
		xmlDoc.onload = getFileTypeFromXML
	} else {
		//alert('Your browser cannot handle this script');
	}
}
function getFileTypeFromXML() {
	var strName = xmlDoc.getElementsByTagName("Name")[0].firstChild.nodeValue;
	strFileType = strName.substr(strName.indexOf(".") +1,(strName.length - strName.indexOf(".") +1));
	strFileType = strFileType.toLowerCase();
}
function getFileTypeFromString(strName) {
	strFileType = strName.substr(strName.indexOf(".") +1,(strName.length - strName.indexOf(".") +1));
	strFileType = strFileType.toLowerCase();
}