/**************************************************
 *                                                *
 *   Common JavaScript Function and definitions   *
 *                                                *
 **************************************************/

var undefined;   // define the undefined var..for non conforming browsers. (Darn!)
var isIE;
var isAdvancedBrowser=false;
var countryInits="";

if(document.all){isIE=true}

var winWidths =  new Array();
var winHeights = new Array();


//define the widths and heights
winWidths["small"] =  350;
winHeights["small"] = 400;

winWidths["medium"] =  600;
winHeights["medium"] = 480;

winWidths["large"]  = 640;
winHeights["large"] = 540;

registerWidth = 700;
registerHeight = 720;

loginWidth =  400;
loginHeight = 330;

listWidth = 600;
listHeight = 480;

viewSpringWidth=640;
viewSpringHeight=540;
/****************************************************************/

function goWindow(url) {
	location.href = url;
}

function popWindow(URL,winSize,winName) {
	if (winName==null) {
		winName='newWin'
	}
	popUpWindow(URL,winSize,winName,true,true)
}

function popWindowStatic(URL,winSize,winName) {
	if (winName==null) {
		winName='newWin'
	}
	popUpWindow(URL,winSize,winName,false,false)
}

function popUpWindow(URL,winSize,winName,scrollable,resizalbe) {
	var specs="";
	if (winName==null) {
		winName='newWin'
	}
	if (winSize==null) {
		winSize='small';
	} else winSize = winSize.toLowerCase();

	if(isIE){

		if (window[winName]) {window[winName].close() }
		//if (window.newWin) { window.newWin.close() }
	}
	else{

//for Netscape
		if(window[winName]){
			if(window[winName].closed==true){
			}
			else{
			window[winName].close();
			}
		}
	}
	if (resizalbe) {
		specs = "resizable,";
	}
	specs=specs + "HEIGHT=" + winHeights[winSize] + ",WIDTH=" + winWidths[winSize];
	if (scrollable) {
		specs = specs + ",scrollbars";
	}
	//var newWin =  window.open(URL,winName,specs);
	newWin =  window.open(URL,winName,specs);
	if (newWin.opener == null) newWin.opener = self;
	newWin.focus();
}

/****************************************************************/

function  swapImage(imgName,imgSrc) {
   if (!document.images) return true;  //no images on this page
   document.images[imgName].src=imgSrc;
}
/****************************************************************/

function trim(inString) { return Trim(inString); }
/****************************************************************/

function Trim(inString) {
	return allTrim(inString);
}

function allTrim(s) {
  if (isNull(s)) return "";
  if (s=="" || s==" ") return "";

   s= s+""; //force it to be a string

  if(s.length==1) return s;

  // trim from the left side first
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }

  // trim from the right side now
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

/****************************************************************/

function isNull(theVariable)
{
/* return true if the thing is null or undefined */
	if (theVariable==null) return true;
	if (theVariable==undefined) return true;
	return false;
}
/****************************************************************/

// Check whether string s is empty.

function isEmpty(s)
{   return ((isNull(s)) || (s.length == 0))
}

/****************************************************************/

function goSubmitIt(theFormName) { // submits the form specified.
	if (document.forms[theFormName]!=null) {  // if the form does exist..then go ahead and submit it.
		document.forms[theFormName].submit();
	}
}


function selectOption(formName, selectTagName,optionValue) {
/** set the selected index of the Specified Select Tag on the specified form that matches
    the specified optionValue
*/
	if (isNull(document.forms[formName])) return false;  //No form with specified name
	if (isNull(document.forms[formName][selectTagName])) return false; //that field not on form
	var selectObj = document.forms[formName][selectTagName];
	var selValueOrText;
	if (selectObj.type.toLowerCase().indexOf("select")==-1) return false; //element is not a select tag
	var optLength = selectObj.options.length;
	for(var i=0;i<optLength;i++){
	selectValueOrText = selectObj.options[i].value==""?selectObj.options[i].text:selectObj.options[i].value;
	if (selectValueOrText==optionValue) {
			selectObj.selectedIndex = i;
			break;
		}
	}
}

/*  Return true if the email address is in an acceptable format  */
function isValidEmailFormat(emailAddress) {
	var modEmailAddress = trim(emailAddress);
   if (isEmpty(modEmailAddress)) return false;
   //** !! Should use the RealTime expression to evaluate this, in the future

    var i = 1;
    var sLength = modEmailAddress.length;

    // look for @
    while ((i < sLength) && (modEmailAddress.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (modEmailAddress.charAt(i) != "@")) return false;  // did not find @
    else i += 2;

    // look for .
    while ((i < sLength) && (modEmailAddress.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (modEmailAddress.charAt(i) != ".")) return false;
    else return true;
}

/** return true if this istem is a number */
function isNumeric(s) {
	if (isEmpty(trim(s))) return false; // no..empty
	if (isNaN(s)) return false;  // clearly not a number..its the NaN value
	return (!isNaN(parseFloat(s)) || !isNaN(parseInt(s))); // if any one is true,,then it's a number

}

function noEntry() {
	this.blur();
	if (countryInits.toUpperCase()=="MX") {
		alert('Lociento\nNo patrida es permitir en esta campo');
	} else {
		alert('Sorry!!\nEntry into this field is not allowed');
	}
	 return false;
}

function billToShip(theForm,flag) { // move the fields from the bill to area to the ship to area
	if (flag==true){
		theForm["sFirstName"].value	 =	 theForm["FirstName"].value;
		theForm["sSurname"].value =		 theForm["Surname"].value;
		theForm["sAddress1"].value =	 theForm["Address1"].value;
		theForm["sPostcode"].value =	 theForm["Postcode"].value;
		theForm["sCountry"].selectedIndex =	theForm["Country"].selectedIndex;
		theForm["sPhone"].value	=		 theForm["Phone"].value;
		theForm["sAddress2"].value =	 theForm["Address2"].value;
		theForm["sAddress3"].value =	 theForm["Address3"].value;
		theForm["sAddressType"].selectedIndex = theForm["AddressType"].selectedIndex;
		theForm["sCompany"].value = theForm["Company"].value;
		theForm["sCity"].value =		 theForm["City"].value;
		if (theForm["State"]!=null && theForm["State"]!=undefined) {
			theForm["sState"].value =		 theForm["State"].value;
		}
		if (theForm["County"]!=null && theForm["County"]!=undefined) {
			theForm["sCounty"].value =		 theForm["County"].value;
		}

	}

}

function validateEmailAddress(emailAddress)
{
	var rtnValue = false;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(emailAddress)) {
	    rtnValue = true;
	} else {

	if (countryInits.toUpperCase()=="MX") {
		alert('La dirección de E-mail está en un formato inválido');
	} else {
		alert('Email address:'+emailAddress+'\nis in an invalid format.');
	}

	}
	return rtnValue;
}