/*
	FUNCTIONS
*/



/*	check form
*
*	check if form fields are empty. alert message for each missing field
*
*	@param	(array)	fieldIdArray
*	@param	(array)	msgArray
*	@param	(string)	submit button
*	@param	(string)	"busy" label for submit button
*/
function checkForm(fieldIdArray, msgArray, submitButt, busyLabel) {
	//alert("checking fieldIdArray:\n" + fieldIdArray + "\n\nmsgArray:\n" + msgArray);

	var msg = "";

	for(var i = 0; i < fieldIdArray.length; i++) {
		var o = document.getElementById(fieldIdArray[i]);
		if(o.value == "") {
			//	missing value
			msg += "- " + msgArray[i] + "\n";
		}
	}

	if(msg != "") {
		//	missing values
		alert("Bitte folgende Eingaben prüfen:\n" + msg);
		return false;
	} else {
		//	ok, submit form
		var butt = document.getElementById(submitButt);
		butt.disabled = true;
		butt.value = busyLabel;

		return true;
	}
}



/*	open window
*/
function openWindow(url, win_name, options) {
	window.open(url, win_name, options);
}



/*	show help
*/
function showHelp(key) {
	openWindow('./contextHelp.php?key=' + key, 'contextHelp', 'width=300,height=300,resizable=yes,scrollbars=yes');
}



/*	show debug info
*/
function showDebugInfo(sNfo, rNfo) {
	openWindow('./extras/debug_info.php?sNfo=' + sNfo + '&rNfo=' + rNfo, 'debugInfo', 'width=500,height=500,resizable=yes');
}


/*	show PDF
*/
function showPDF(id) {
	openWindow('./extras/pdf/show.php?id=' + id, 'PDF', 'width=800,height=600,resizable=yes,scrollbars=yes');
	return false;
}




/*	dreamweaver functions
*/

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}