function popup(URL,winname,opts) {

	var popup = window.open(URL,winname,opts);

}

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){

	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}

function ValidateDate(fieldname){

	var thisDate = document.getElementById(fieldname).value;

	if (thisDate!="") {
		if (isDate(thisDate)==false){
			document.getElementById(fieldname).focus()
			return false
		}
	}

    return true
 }

function dodeletebutton(querystring,itemname) {

	var checkthis = confirm("Are you sure you wish to delete item '" + itemname + "'?");

	if (checkthis) {
		location='/rfSystem/rfButtons/rfButtons.asp?action=gobutton&' + querystring;
	}

}

var posx;
var doneit;

doneit=0;
posx=0;

function scrollhelp() {

	posx=document.body.scrollTop;
	
	if (document.getElementById("help")) {
		document.getElementById("help").style.top=posx; 
		document.getElementById("help").style.left=document.body.clientWidth - 40;

		setTimeout('scrollhelp(document)',1000);
	}
}

function showAllHelp(thisDocument)
{
	if (thisDocument.getElementById("showHelp")) {
		thisDocument.getElementById("showHelp").style.display="none"; 
		thisDocument.getElementById("hideHelp").style.display=""; 
	}
	var allDiv = thisDocument.all.tags('DIV');
	var xx;

	for (xx in allDiv)
	{
		if (String(xx).length == 1) {
			if (thisDocument.getElementById(xx)) {
				thisDocument.getElementById(xx).style.display=""; 
			}
		}
	}

	var allFrames = thisDocument.all.tags('IFRAME');
	var x;

	for (x in allFrames)
	{
		if (String(x).length > 1 && x != "length") {

			if (thisDocument.frames[x]) {
				showAllHelp(thisDocument.frames[x].document);
			}
		}
	}
}

function hideAllHelp(thisDocument)
{
	if (thisDocument.getElementById("showHelp")) {
		thisDocument.getElementById("showHelp").style.display=""; 
		thisDocument.getElementById("hideHelp").style.display="none"; 
	}

	var allDiv = thisDocument.all.tags('DIV');
	var xx;

	for (xx in allDiv)
	{
		if (String(xx).length == 1) {
			if (thisDocument.getElementById(xx)) {
				thisDocument.getElementById(xx).style.display="none"; 
				thisDocument.getElementById(xx + 'text').style.display="none"; 
			}
		}
	}

	var allFrames = thisDocument.all.tags('IFRAME');
	var x;

	for (x in allFrames)
	{
		if (String(x).length > 1 && x != "length") {
			hideAllHelp(thisDocument.frames[x].document);
		}
	}

}

function displaySubHelp(thisid) 
{
	document.getElementById(thisid+"text").style.display=""; 
}

function hideSubHelp(thisid) 
{
	document.getElementById(thisid+"text").style.display="none"; 
}


function testiframes() 
{

}