// For Email Validation
function validateEmail(objField, strLabel, flagCheckNull){
	if(flagCheckNull && objField.value == ""){
		alert("Please enter " + strLabel);
		objField.focus();
		return false;
	}
	reg = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@(([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
	if(!reg.test(objField.value)){
		alert("Invalid " + strLabel + ". Please enter again.");
		objField.focus();
		objField.select();
		return false;
	}
	return true;
}


// For checking whether field is empty or not
function notEmpty(objField, strLabel, blSelField, blAlertNotReq) {

	var flagReturn = false;

	for (i=0; i<objField.value.length; i++) {
		if(objField.value.charAt(i) != " ") {
			flagReturn = true;
			break;
		}
	}

	if(!flagReturn && !blAlertNotReq) {
		objField.value = "";
		if(blSelField) {
			alert("Please select " + strLabel);
		}
		else {
			alert("Please enter " + strLabel);
		}
		objField.focus();
	}
	return flagReturn;
}

/* Javascript function for validating URL's or Links. If validation for "ftp://" URL is required then change the "regexp" variable to include "ftp" parameter as specified here : "/(ftp|http|https)............". */
function validUrl(objField, strLabel) {
	var regexp = /(http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/

	if(!regexp.test(objField.value)) {
		alert("Please enter " + strLabel);
		objField.value = "http://";
		objField.focus();
		return false;
	}
	return true;
}


// Function to check for an empty string.. it will return true for empty striing
function IsEmptyString(StrToCheck) {
	//first remove all spaces using the following regex
	StrToCheck= StrToCheck.replace(/^\s+|\s+$/, '');

	//then we check for the length of the string if its 0 or not
	if( StrToCheck.length == 0) {
		return true;
	}
	else {
		return false;
	}
}

/*
 * To get Current date
 */
function getCurrentDate(strInpFmt){
	var objToday = new Date();

	var strFullYear, strYear, strMonth, strDay;
	strFullYear = String(objToday.getFullYear());
	strYear = strFullYear.substr(strFullYear.length - 2);
	strMonth = String(objToday.getMonth());
	strMonth = String(parseInt(strMonth, 10) + 1);
	if(strMonth.length == 1) strMonth = "0" + strMonth;
	strDay = String(objToday.getDate());
	if(strDay.length == 1) strDay = "0" + strDay;

	switch(strInpFmt){
		case "YYYYMMDD":
			return strFullYear + strMonth + strDay;
			break;
		case "MMDDYY":
			return strMonth + strDay + strYear;
			break;
		case "DDMMYY":
			return strDay + strMonth + strYear;
			break;
		case "MM/DD/YY":
			return strMonth + "/" + strDay + "/" + strYear;
			break;
		case "DD/MM/YYYY":
			return strDay + "/" + strMonth + "/" + strFullYear;
			break;
		case "YYYY-MM-DD":
		default:
			return strFullYear + "-" + strMonth + "-" + strDay;
			break;
	}
}