// JScript File
/////////////////////////////////////////
// General

var galleryArr = new Array();
var galleryTimeoutId;


/////////////////////////////////////////////////////
// Javascript dates validator for mm/dd/yyyy format:

// Declaring valid date character, minimum year and maximum year
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 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){
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return false
	}
return true
}


String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}


String.prototype.isValidMail = function() {
        var _email = this;
        var emailReg = /^[a-z][a-z-_0-9\.]+@[a-z-_=>0-9\.]+\.[a-z]{2,3}$/i
        return emailReg.test(_email);
}

/*
$(objId) - 
replacement for
document.getElementById
*/
function $(objId)
{
    return(document.getElementById(objId));
}


// Gallery script.
// With image cross fade effect for those browsers that support it.
// Script copyright (C) 2004 www.cryer.co.uk.
// Script is free to use provided this copyright header is included.
function LoadGallery(arrIndex)
{
  var picture = document.getElementById("bigImage");
  var link  = document.getElementById("bigImgLink");
  if (picture.filters)
  {
    picture.style.filter="blendTrans(duration=2)";
    picture.filters.blendTrans.Apply();
  }
  picture.src = galleryArr[arrIndex].imageSrc;
  link.href = galleryArr[arrIndex].imageSrc.replace('/ProImage/300/','/ProImage/700/');
  
  if (picture.filters)
  {
    picture.filters.blendTrans.Play();
  }
}


function SwapPic(arrIndex, stopTimeOut)
{
  LoadGallery(arrIndex);
  currIndex++;
  if(currIndex >= galleryArr.length)
  {
    currIndex = 0;
  }
  
  if(!stopTimeOut)
    galleryTimeoutId = setTimeout('SwapPic(currIndex, 0)',3000)
}

function ShowPic(arrIndex)
{
  clearTimeout(galleryTimeoutId);
  SwapPic(arrIndex, 1);
}


function onlyNumbers(evt)
{    
    var e = event || evt; // for trans-browser compatibility    
    var charCode = e.which || e.keyCode;    
    if (charCode > 31 && (charCode < 48 || charCode > 57))        
    return false;
        
    return true;
}

function addToCart(proId, quantity, catId, pageNumber)
{
    if(quantity == '' || isNaN(quantity))
    {
        quantity= "0";
    }
    var urlStr = "/ProCart/p" + proId + "/q" + quantity + "/c" + catId + "/pn" + pageNumber;
    location.href = urlStr;

}