var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function trim(sStringToTrim){
	while(''+sStringToTrim.charAt(0)==' ')sStringToTrim=sStringToTrim.substring(1,sStringToTrim.length);
	while(''+sStringToTrim.charAt(sStringToTrim.length-1)==' ')sStringToTrim=sStringToTrim.substring(0,sStringToTrim.length-1);
	return sStringToTrim;
}

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 strMonth=dtStr.substring(0,pos1)
	var strDay=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 : mm/dd/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 EncodeForURL(sVal)
{
	if (sVal != "")
	{	
		sVal = sVal.replace(/%/g, '%25');	
		sVal = sVal.replace(/&apos;/g, '%27');
		sVal = sVal.replace(/#/g, '%23');
		sVal = sVal.replace(/"/g, '%26quot;');
		sVal = sVal.replace(/&/g, '%26');
		return(sVal);
	}
}

function doOutline(e) {	
	var img1 = new Image();
	img1.src = "/vro/images/plus.gif";
	var img2 = new Image();
	img2.src = "/vro/images/minus.gif";			
	var srcId, srcElement, targetElement, divElement, imgElement;

	if (window.event) e = window.event;  
	srcElement = e.srcElement? e.srcElement : e.target; 

	if (srcElement.className.toUpperCase() == "LEVEL1") {
		srcID = srcElement.id.substr(0, srcElement.id.length-1);
					
		divElement = document.all(srcID + "s");
		srcElement = document.all(srcID + "i");
		
  		if (divElement.style.display == "none") {
			divElement.style.display = "";
			srcElement.src = img2.src;
		 } else {
			divElement.style.display = "none";
			srcElement.src = img1.src;
		}
	}
}

function clearOutline(formName, type, count){
	for(var i = 1; i < count; i++){
		if(eval('document.' + formName + '.' + type + i)){
			eval('document.' + formName + '.' + type + i + '.checked = false;');
		}
	}
}

function CheckLength(obj, intMaxLength)
{
	if (obj.value.length > intMaxLength) {
		var diff = obj.value.length - intMaxLength;
		if (diff > 1)
			diff = diff + " characters";
		else
			diff = diff + " character";

		alert("This field is limited to " + intMaxLength + " characters\n" + "Please reduce the text by " + diff);
		obj.focus();
		return (false);
	}
}