// JavaScript Document
function check_email(email_val)
{
	var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
	return reg2.test(email_val);
}

//this function will compare two dates
			
function compare_date(date1,date2)
{
	var val1 = date1.split("/");
	var val2 = date2.split("/");
	var d1 = new Date();
	d1.setFullYear(val1[2],(val1[0]-1),val1[1]);
	
	var d2 = new Date();
	d2.setFullYear(val2[2],(val2[0]-1),val2[1]);
	
	if(d1 > d2)
	{
		return false;
	}
	else
	{
		return true;
	}
}

function validate_date(date_val)
{
	var val = date_val.split("/");
	var msg = '';
	if((val[0] == 4 || val[0]==6 || val[0]==9 || val[0]==11) && val[1] > 30)
	{
		msg ="invalid number of days in "+val[0]+" month,not greater than 30";
	}
	else if(val[0] == 2 && val[1] > check_leapYear(val[2]))
	{
		msg ="invalid number of days in "+val[0]+" month,not greater than "+check_leapYear(val[2]);
	}
	
	return msg;
}

//this function will comapre two times in HH:MM format

function compare_time(time1,time2)
{
	var val1 = time1.split(":");
	var val2 = time2.split(":");
	if(val1[0] > val2[0])
	{
		return false;
	}
	else if((val1[0] == val2[0])&& (val1[1] > val2[1]))
	{
		return false;
	}
	else
	{
		return true;
	}
}

//this function will check given year is leap year

function check_leapYear(datea)
{
	datea = parseInt(datea);

	if(datea%4 == 0)
	{
		if(datea%100 != 0)
		{
			return 29;
		}
		else
		{
			if(datea%400 == 0)
				return 29;
			else
				return 28;
		}
	}
	return 28;
}

function hasWhiteSpace(s)
{
	var msg = "";
	reWhiteSpace = new RegExp(/^\s+$/);
	if(reWhiteSpace.test(s))
	{
		return true;
	}
	else
	{
		return false;
	}
		
}