/*
  Name           : Trim
  Created On	 : 07-Dec-2004
  Created By	 : Sivamurugan Perumal
  Description    : To trim the blank space
  Modified On    : 
  Modified By    : 
  Description    : The Function trims the blankspace in left and right.
*/
function Trim(s) 
{
  // Remove leading spaces and carriage returns
  
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  // Remove trailing spaces and carriage returns

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

/*created by erin cisney 01-10-08*/
function showhide(id)
{
	var elm = document.getElementById(id);
	if (elm.style.display == 'block')
		elm.style.display = "none";
	else
		elm.style.display = "block";
}

/*
  Name           : dategreater
  Created On	 : 09-Dec-2004
  Created By	 : Sivamurugan Perumal
  Description    : From Date Should not be greater than To Date
  Modified On    : 
  Modified By    : 
  Description    : 
*/
function dategreater(date1,date2)
{

	var pos1=parseInt(date1.indexOf(dtCh))
	var pos2=parseInt(date1.indexOf(dtCh,pos1+1))

	var month1 = parseInt(date1.substring(0,pos1))
	var day1 = parseInt(date1.substring(pos1+1,pos2))
	var year1 = parseInt(date1.substring(pos2+1))
	
	var pos1=parseInt(date2.indexOf(dtCh))
	var pos2=parseInt(date2.indexOf(dtCh,pos1+1))

	var month2 = parseInt(date2.substring(0,pos1))
	var day2 = parseInt(date2.substring(pos1+1,pos2))
	var year2 = parseInt(date2.substring(pos2+1))
	
	if (year1 > year2)
	{
		return true;
	}
	
	if (year1 == year2)
	{
		if(month1 > month2)
		{
			return true;
		}
		
		if (month1 == month2)
		{
			if(day1 > day2)
			{
				return true;
			}	
		}
	}
	return false;	
}


/*
  Name           : ValidateDate
  Created On	 : 07-Dec-2004
  Created By	 : Sivamurugan Perumal
  Description    : Validation of Date format mm/dd/yyy
  Modified On    : 
  Modified By    : 
  Description    :
*/		
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 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)
	{
		alert("Please enter a valid 4 digit year.");
		return false;
	}	
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date");
		return false;
	}
return true;
}
// ************************ End Of Date Validation **********************

/*
  Name           : clickButton
  Created On	 : 04-May-2005
  Created By	 : Rani Ponmathi
  Description    : When press Enter in given text box, the given button click even should be called.
  Modified On    : 
  Modified By    : 
  Description    :
*/		

		function clickButton(e, buttonid)
		{ 
			var bt = document.getElementById(buttonid); 
			if (typeof bt == 'object')
			{ 
				if(navigator.appName.indexOf("Netscape")>(-1))
				{ 
                  if (e.keyCode == 13)
                  { 
                        bt.click(); 
                        return false; 
                  } 
				} 
				
				if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1))
				{ 
					if (event.keyCode == 13)
					{ 
							bt.click(); 
							return false; 
					} 
				} 
			} 
		} 
		
// ************************ QUantity Validation **********************

/*
  Name           : ValidateQuantity
  Created On	 : 06-16-08
  Created By	 : Erin
  Description    : Check that numbers entered into quantity boxes are valid
  Modified On    : 
  Modified By    : 
  Description    :
*/

function ValidateQuantity(thisButton)
{
    var name = thisButton.name.replace("btnOrder", "txtQty");
    var regex = /\$/g; 
    name = name.replace(regex, "_");
    
    var entry = document.getElementById(name).value;
    
    var numregex = /^\d*$/;
    if (!entry.match(numregex))
    {
        alert("Please only use whole numbers in the first quantity box.\n\nIf you need to order a fraction of a yard, please use the drop-down box just to the right of the number box.");
        return false;
    }
    
    return true;
}


// Streamsend email submit
function postEmail(id) {
    var email_elem = document.getElementById(id);
    var email = email_elem.value;
    var email_hdn = document.getElementById('hdnEmail');
    email_hdn.value = email;
    var theForm = document.forms['subscribe_form'];
    theForm.submit();
}