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

function CheckEmpty(Val,Label) 
{ 
  if(truncateSpace(Val)=="") 
  {
   alert(Label+" Should Not be Empty") 
   return false;
  } 
  return true;
}
function CheckEmptyField(Val) 
{ 
  if(truncateSpace(Val)=="") 
  {
   return false;
  } 
  return true;
}
function CheckEmptyMsg(Val,Label) 
{ 
  if(truncateSpace(Val)=="") 
  {
   alert("Please enter "+Label) 
   return false;
  } 
  return true;
}

function IsAmount(sText)
{
   var ValidChars = "0123456789.";
   var IsAmount=true;
   var Char;
   if(sText=="") return false
   for (i = 0; i < sText.length && IsAmount == true;i++) 	
   { 
		 Char = sText.charAt(i); 
		 if (ValidChars.indexOf(Char) == -1) 
         {
    	     IsAmount = false;
         }
   }
   return IsAmount;
}
function IsValidAmount(sText,Label)
{
	if(!IsAmount(sText))
	{
		alert("Invalid "+Label+".. "+Label+" Must Have Numeric Values")
		return false;
	}
	AmtArray = sText.split(".")
	if(AmtArray.length>2)
	{
		alert("Invalid "+Label+".. "+Label+" Must have single Period for Float")
		return false;
	}
	if(AmtArray.length>1)
	{
		FloatAmt = AmtArray[1];
		if(FloatAmt.length>2)
		{
			alert("Invalid "+Label+"..  Float Value must have two Digits")
			return false;
		}
	}
	return true
}


function CheckNumber(sText,Label)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsNumber == true;i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   if(!IsNumber)
   	alert(Label+ " Must Be numeric")
   return IsNumber;
}

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

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 IsFax(sText,Label)
{
   var ValidChars = "0123456789-() ";
   var IsNumber=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsNumber == true; i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   if(!IsNumber)
   	alert(Label+ " Should not contain characters other than 0-9 - ()")
   return IsNumber;
}

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 IsPasswordLength(sPass1,sPass2)
{
	if(trim(sPass1)=="")
	{
		alert("Password Should Not be Empty")
		return false
	}
	
	if(sPass1!=sPass2)
	{
		alert("Password Mismatch")
		return false
	}
	return true;
}
function IsValidURL(strURL,n)
{
		strURL 		= strURL.toUpperCase();
//		alert(strURL)		
		if(strURL==""||strURL=="HTTP://") return false	
		thePrefix 	= strURL.substr(0,7).toUpperCase();
		var Prefix2 = strURL.substr(0,8).toUpperCase();
		if( thePrefix!="HTTP://" )
		{ 
			siteFlag = 0;
			return false;
		}
		else
			siteFlag = 1;	
		if ( Prefix2!="HTTPS://" && siteFlag == 0 ) 
			return false;
		if(n!=-1) if(strURL.split("/").length>n) 
			return false;
		
		return true
}
function CheckEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

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,Label)
{
	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 for "+Label)
		return false
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		alert("Please enter a valid month for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		alert("Please enter a valid day for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{
		alert("Please enter a valid 4 digit Year ");// between "+minYear+" and "+maxYear+" for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
	{ 
		alert("Please enter a valid date for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	return true
}
function isValidDate(dtStr,Label)
{
	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 for "+Label)
		return false
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		alert("Please enter a valid month for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		alert("Please enter a valid day for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear+" for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
	{
		alert("Please enter a valid date for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	return true
}
function CheckUnCheck(frm,tmpVal)
{
	obj		= eval("document."+frm);

	ctrlPtr	= obj.elements;
	var n = obj.elements.length;
	for(i = 0 ;i<n;i++)
	{
		if(obj.elements[i].name == "chkRecord[]" )
		{
			if( tmpVal == 1 )
			{
				obj.elements[i].checked = 0;
			}
			else
			{
				obj.elements[i].checked = 1;	
			}
		}//end of if
	}//end of for
}//end of function

function ValidateLoginData(frm)
{
	if(!CheckEmpty(frm.txtUserName.value,"User Name"))
	{
		frm.txtUserName.focus();
		return false;
	}
	if(!CheckEmpty(frm.txtPassword.value,"Password"))
	{
		frm.txtPassword.focus();
		return false;
	}
	
}//end of function
function CheckAdminLogin(frm)
{
	if(!CheckEmpty(frm.txtUser.value,"User Name"))
	{
		frm.txtUser.focus();
		return false;
	}
	if(!CheckEmpty(frm.txtPassword.value,"Password"))
	{
		frm.txtPassword.focus();
		return false;
	}
	
}//end of function

function DeleteSelected(frm,hfName)
{
	obj		= eval("document."+frm);
	objHf	= eval("document."+frm+"."+hfName);
	ctrlPtr	= obj;
	var n = obj.elements.length;
	var flg;
	for(i = 0 ;i<n;i++)
	{
		if(ctrlPtr.elements[i].name == "chkRecord[]" )
		{
			if( ctrlPtr.elements[i].checked  == 1 )
			{
				flg = 1;
				break;	
			}
		}//end of if
	}//end of for	
	if(flg == 1)
	{
		if(confirm("Are you sure to delete selected records?"))
		{
			objHf.value = 1;
			obj.submit();
		}
	}
	else
	{
		alert("You first need to select the record to delete");
	}
}//end of function

function DeleteSelected1(frm,hfName)
{
	obj		= eval("document."+frm);
	objHf	= eval("document."+frm+"."+hfName);
	ctrlPtr	= obj;
	var n = obj.elements.length;
	var flg;
	for(i = 0 ;i<n;i++)
	{
		if(ctrlPtr.elements[i].name == "chkRecord[]" )
		{
			if( ctrlPtr.elements[i].checked  == 1 )
			{
				flg = 1;
				break;	
			}
		}//end of if
	}//end of for	
	if(flg == 1)
	{
		if(confirm("Are you sure to send newsletter to selectd users"))
		{
			objHf.value = 1;
			obj.action = "sendmailuser.php";
			obj.submit();
		}
	}
	else
	{
		alert("You first need to select the record");
	}
}//end of function

function DeleteSelected2(frm,hfName)
{
	obj		= eval("document."+frm);
	objHf	= eval("document."+frm+"."+hfName);
	ctrlPtr	= obj;
	var n = obj.elements.length;
	var flg;
	for(i = 0 ;i<n;i++)
	{
		if(ctrlPtr.elements[i].name == "chkRecord[]" )
		{
			if( ctrlPtr.elements[i].checked  == 1 )
			{
				flg = 1;
				break;	
			}
		}//end of if
	}//end of for	
	if(flg == 1)
	{
		if(confirm("Are you sure to download selected Images?"))
		{
			objHf.value = 1;
			obj.action = "make.php";
			obj.submit();
		}
	}
	else
	{
		alert("You first need to select the image to download");
	}
}//end of function

function SingleDelete(frm,hfName,val)
{
	if(confirm("Are you sure to delete record?"))
	{
		obj			= eval("document."+frm);
		objHf		= eval("document."+frm+"."+hfName);
		objHf.value = val;
		obj.submit();
	}

}//end of function
function commonSetPage(frm,pageno)
{
//	alert("Testing--Paging");
	
	obj	= eval("document."+frm);
	obj.page.value = pageno;
	obj.action = "";
	obj.target ="_self";
	obj.submit();
}
function SearchClicked()
{
	if(!CheckEmpty(document.frmSearch.txtSearch.value,"Search Text"))
	{
		document.frmSearch.txtSearch.focus();
		return ;
	}
	document.frmSearch.action="searchresults.php";	
	document.frmSearch.submit();
}//end of function


// pasing value to another page during refresh
function AddToTemp(prodid)
{
obj = document.sublist;
ctrlPtr = obj.elements;
var n = obj.elements.length;
var flg ;
var StrProdIds = '';
for(i = 0 ;i<n;i++)
{
if(obj.elements[i].name == "chkRecord[]" )
{
// alert("ProdId="+prodid+" , Val="+obj.elements[i].value);
if(obj.elements[i].value == prodid)
{
flg = obj.elements[i].checked;
}
}
}
if(document.sublist.hfTmpIds.value == "")
{
document.sublist.hfTmpIds.value = prodid;
}
else
{
document.sublist.hfTmpIds.value = document.sublist.hfTmpIds.value + ","+prodid;
}
var Arr = document.sublist.hfTmpIds.value.split(",");

for(var i=0;i<Arr.length;i++)
{
if(Arr[i] == prodid)
{
// alert("Arr Val="+Arr[i]+"Prod="+prodid+"---"+flg);
if(flg ==1)
{

if(StrProdIds == "")
{
StrProdIds = prodid;
}
else
{
StrProdIds = StrProdIds+","+prodid;
}
}
}
else
{
if(StrProdIds == "")
{
StrProdIds =Arr[i];
}
else
{
StrProdIds = StrProdIds+","+Arr[i];
}
//alert(Arr[i]);
}
}
if( flg == 1 )
{
if(StrProdIds == "")
{
document.sublist.hfTmpIds.value = prodid;
}
else
{
document.sublist.hfTmpIds.value = StrProdIds;
}
}
else
{
document.sublist.hfTmpIds.value = StrProdIds;
}
//alert("all"+document.sublist.hfTmpIds.value);
 //alert(document.sublist.hfTmpIds.value);
}

// end of refresh function passing another page

function show_calendar(str_target, str_datetime) {
	var arr_months = ["January", "February", "March", "April", "May", "June",
		"July", "August", "September", "October", "November", "December"];
	var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
	var n_weekstart = 1; // day week starts from (normally 0 or 1)

	var dt_datetime = (str_datetime == null || str_datetime =="" ?  new Date() : str2dt(str_datetime));
	var dt_prev_month = new Date(dt_datetime);
	dt_prev_month.setMonth(dt_datetime.getMonth()-1);
	var dt_next_month = new Date(dt_datetime);
	dt_next_month.setMonth(dt_datetime.getMonth()+1);
	var dt_firstday = new Date(dt_datetime);
	dt_firstday.setDate(1);
	dt_firstday.setDate(1-(7+dt_firstday.getDay()-n_weekstart)%7);
	var dt_lastday = new Date(dt_next_month);
	dt_lastday.setDate(0);
	
	// html generation (feel free to tune it for your particular application)
	// print calendar header
	var str_buffer = new String (
		"<html>\n"+
		"<head>\n"+
		"	<title>Calendar</title>\n"+
		"</head>\n"+
		"<body bgcolor=\"White\">\n"+
		"<table class=\"clsOTable\" cellspacing=\"0\" border=\"0\" width=\"100%\">\n"+
		"<tr><td bgcolor=\"#4682B4\">\n"+
		"<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n"+
		"<tr>\n	<td bgcolor=\"#4682B4\"><a href=\"javascript:window.opener.show_calendar('"+
		str_target+"', '"+ dt2dtstr(dt_prev_month)+"'+document.cal.time.value);\">"+
		"<img src=\"images/prev.gif\" width=\"16\" height=\"16\" border=\"0\""+
		" alt=\"previous month\"></a></td>\n"+
		"	<td bgcolor=\"#4682B4\" colspan=\"5\">"+
		"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"
		+arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</font></td>\n"+
		"	<td bgcolor=\"#4682B4\" align=\"right\"><a href=\"javascript:window.opener.show_calendar('"
		+str_target+"', '"+dt2dtstr(dt_next_month)+"'+document.cal.time.value);\">"+
		"<img src=\"images/next.gif\" width=\"16\" height=\"16\" border=\"0\""+
		" alt=\"next month\"></a></td>\n</tr>\n"
	);

	var dt_current_day = new Date(dt_firstday);
	// print weekdays titles
	str_buffer += "<tr>\n";
	for (var n=0; n<7; n++)
		str_buffer += "	<td bgcolor=\"#87CEFA\">"+
		"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"+
		week_days[(n_weekstart+n)%7]+"</font></td>\n";
	// print calendar table
	str_buffer += "</tr>\n";
	while (dt_current_day.getMonth() == dt_datetime.getMonth() ||
		dt_current_day.getMonth() == dt_firstday.getMonth()) {
		// print row heder
		str_buffer += "<tr>\n";
		for (var n_current_wday=0; n_current_wday<7; n_current_wday++) {
				if (dt_current_day.getDate() == dt_datetime.getDate() &&
					dt_current_day.getMonth() == dt_datetime.getMonth())
					// print current date
					str_buffer += "	<td bgcolor=\"#FFB6C1\" align=\"right\">";
				else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
					// weekend days
					str_buffer += "	<td bgcolor=\"#DBEAF5\" align=\"right\">";
				else
					// print working days of current month
					str_buffer += "	<td bgcolor=\"white\" align=\"right\">";

				if (dt_current_day.getMonth() == dt_datetime.getMonth())
					// print days of current month
					str_buffer += "<a href=\"javascript:window.opener."+str_target+
					".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
					"<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";
				else 
					// print days of other months
					str_buffer += "<a href=\"javascript:window.opener."+str_target+
					".value='"+dt2dtstr(dt_current_day)+"'+document.cal.time.value; window.close();\">"+
					"<font color=\"gray\" face=\"tahoma, verdana\" size=\"2\">";
				str_buffer += dt_current_day.getDate()+"</font></a></td>\n";
				dt_current_day.setDate(dt_current_day.getDate()+1);
		}
		// print row footer
		str_buffer += "</tr>\n";
	}
	// print calendar footer
	str_buffer +=
		"<form name=\"cal\">\n<tr><td colspan=\"7\" bgcolor=\"#87CEFA\">"+
		"<font color=\"White\" face=\"tahoma, verdana\" size=\"2\">"+
		"Time: <input type=\"text\" name=\"time\" value=\""+dt2tmstr(dt_datetime)+
		"\" size=\"8\" maxlength=\"8\"></font></td></tr>\n</form>\n" +
		"</table>\n" +
		"</tr>\n</td>\n</table>\n" +
		"</body>\n" +
		"</html>\n";

	var vWinCal = window.open("", "Calendar", 
		"width=200,height=250,status=no,resizable=yes,top=200,left=200");
	vWinCal.opener = self;
	var calc_doc = vWinCal.document;
	calc_doc.write (str_buffer);
	calc_doc.close();
}
// datetime parsing and formatting routimes. modify them if you wish other datetime format
function str2dt (str_datetime) {
	var re_date = /^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/;
	if (!re_date.exec(str_datetime))
		return alert("Invalid Datetime format: "+ str_datetime);
	return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5, RegExp.$6));
}
function dt2dtstr (dt_datetime) {
	return (new String (
			dt_datetime.getDate()+"-"+(dt_datetime.getMonth()+1)+"-"+dt_datetime.getFullYear()+" "));
}
function dt2tmstr (dt_datetime) {
	return (new String (
			dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
}