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&&id.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];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}


function CheckEmail ( sEmail )
{
	if ( sEmail == "" )
		return true;
		
	var regExp = new RegExp("[a-z0-9_-]+(\.[a-z0-9_-]+)*@[a-z0-9_-]+(\.[a-z0-9_-]+)+", "i")	//"i" means ignore case
	if ( !sEmail.match(regExp) )
		return false;
	return true;
}

function CheckWholeNumber(sData)
{
	var anum=/(^\d+$)/;		// whole number expression
	if ( !anum.test(sData) )
		return false;
	else
		return true;
}

function CheckNumber(sData)
{
	var anum=/(^\d+$)|(^\d+\.\d+$)/;		// number expression
	if ( !anum.test(sData) )
		return false;
	else
		return true;
}

function CheckDecimal(sData)
{
	sData = Math.abs(sData);
	var anum=/(^\d+$)|(^\d+\.\d+$)/;		// number expression
	if ( !anum.test(sData) )
		return false;
	else
		return true;
}


//field name
function CheckDate( field )
{
	var checkstr = "0123456789";
	var DateField = field;
	var Datevalue = "";
	var DateTemp = "";
	var seperator = "/";
	var day;
	var month;
	var year;
	var leap = 0;
	var err = 0;
	var i;
	var indexOf;
	var lastIndexOf;
	
	   err = 0;
	   DateValue = DateField.value;
	   indexOf = DateValue.indexOf("/");
	   lastIndexOf = DateValue.lastIndexOf("/");
	   
	//   alert( "date is " + DateValue + " " + indexOf + " " + lastIndexOf);
	     
	   /* year is wrong if year = 0000 */
		year = DateValue.substring(lastIndexOf+1, DateValue.length);
		if( year.length == 2 )
			year = '20' + year;
		if ( year.length !=4 )
			err = 1;
		if (year == 0) {
			err = 2;
		}
		
		/* Validation of month*/
		month = DateValue.substring(0,indexOf);
		if ( month.length > 2 )
			err = 3
		if ((month < 1) || (month > 12)) {
			err = 4;
		}
	    if ( month.length ==1 )
			month = '0' + month;
		
		/* Validation of day*/
		 day = DateValue.substring(indexOf+1,lastIndexOf);
		if (day <1)
			err = 22;
		if (day.length>2 )
			err = 22;

	// alert("day is " + day + " " + lastIndexOf);
	   /* Validation leap-year / february / day */
	   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
	      leap = 1;
	   }
	   if ((month == 2) && (leap == 1) && (day > 29)) {
	      err = 23;
	   }
	   if ((month == 2) && (leap != 1) && (day > 28)) {
	      err = 24;
	   }
	   /* Validation of other months */
	   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
	      err = 25;
	   }
	   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
	      err = 26;
	   }
	   /* if 00 ist entered, no error, deleting the entry */
	   if ((day == 0) && (month == 0) && (year == 00)) {
	      err = 0; day = ""; month = ""; year = ""; seperator = "";
	   }
	 
	// alert("err " + err);
	   /* if no error, write the completed date to Input-Field (e.g. 12/26/2001) */
	   if (err == 0) {
			DateField.value = month + seperator + day + seperator + year;
			return true;
	   }
	   /* Error-message if err != 0 */
	   else {
			DateField.select();
			DateField.focus();
			return false;
	   }
}