/*		

	
	'Functions
		'emailcheck(str)											9/8/03			JP
		'echeck(str)												9/8/03			JP
		'isDate(dtStr)												9/8/03			JP
		'DaysArray(n)												9/8/03			JP
		'daysInFebruary (year)										9/8/03			JP
		'stripCharsInBag(s, bag)									9/8/03			JP
		'isInteger(s)												9/8/03			JP
		'trim ( s )													9/8/03			JP
		'rtrim ( s )												9/8/03			JP
		'ltrim ( s )												9/8/03			JP
		'SetCustName												9/10/03			SD
		'SetCustNum													9/10/03			SD
		'click														9/11/03			SD
		'checkdate													1/13/04			SD
		'chkdate													1/13/04			SD
		'LeapYear													1/13/04			SD
		'DisableButton												1/14/04			SD
		
*/

// disable right click
/*function click() 
{
	if (event.button==2)
	{
		alert('Sorry, this function is disabled');
	}
}
document.onmousedown=click*/

// navigation functions - color changes; path changes; etc
function GetElementLeft(eElement)
{
    var nLeftPos = eElement.offsetLeft;          // initialize var to store calculations
    var eParElement = eElement.offsetParent;     // identify first offset parent element
    while (eParElement != null)
    {                                            // move up through element hierarchy
        nLeftPos += eParElement.offsetLeft;      // appending left offset of each parent
        eParElement = eParElement.offsetParent;  // until no more offset parents exist
    }
    return nLeftPos;                             // return the number calculated
}

function GetElementTop(eElement)
{
    var nTopPos = eElement.offsetTop;            // initialize var to store calculations
    var eParElement = eElement.offsetParent;     // identify first offset parent element 
    while (eParElement != null)
    {                                            // move up through element hierarchy
        nTopPos += eParElement.offsetTop;        // appending top offset of each parent
        eParElement = eParElement.offsetParent;  // until no more offset parents exist
    }
    return nTopPos;                              // return the number calculated
}

function topnavover(elem,link,bgcolor,textcolor)
{ 
    elem.style.backgroundColor = bgcolor;
    elem.style.border.top = textcolor + ' 1px solid';
    elem.style.border.left = textcolor + ' 1px solid';
    link.style.color = textcolor;
}
function lnavover(elem,bgcolor,bcolor)
{ 
	elem.style.backgroundColor = bgcolor;
	elem.style.borderBottom = bcolor + " 1px solid";
}
function navup(path)
{ 
    window.location = path;
}
function detailover(elem,bgcolor)
{ 
    elem.style.backgroundColor = bgcolor;
}
function boxCheck(mybox) 
{
	box = eval("document.serials." + mybox); 
	if (box.checked == true)
	{
		box.checked = false;
	}
	else if (box.checked == false)
	{
		box.checked = true;
	}
}

// popup functions //
//  this one is the popup for the images
function imgpopup(myimage,size1,size2) {
	var iMyWidth;
	var iMyHeight;
	iMyWidth = (window.screen.width/2) - ((size1/2) + 10); 
	iMyHeight = (window.screen.height/2) - ((size2/2) + 50);
	var win2 = window.open('http://www.diwmsi.com/msi/bigimage.asp?myimage=' + myimage,'popup2','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,copyhistory=no,scrollbars=no,width=' + size1 + ',height=' + size2 + ',left=' + iMyWidth + ',top=' + iMyHeight + ',screenX=' + iMyWidth + ',screenY=' + iMyHeight);
	win2.focus();
}

function popup(link) { 
	var iMyWidth;
	var iMyHeight;
	iMyWidth = (window.screen.width/2) - (400 + 10); 
	iMyHeight = (window.screen.height/2) - (200 + 50);
	var win3 = window.open(link,'popup4','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,copyhistory=no,scrollbars=no,width=400,height=300,left=' + iMyWidth + ',top=' + iMyHeight + ',screenX=' + iMyWidth + ',screenY=' + iMyHeight);
	win3.focus();
}

// hidden "div"s
function showbox()
{
	if (document.all)
		showimage.style.visibility="visible";
	else if (document.layers)
		document.showimage.visibility="show";
}

function ltrim ( s )
{
	return s.replace( /^\s*/, "" );
}

function rtrim ( s )
{
	return s.replace( /\s*$/, "" );
}

function trim ( s )
{
	return rtrim(ltrim(s));
}



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 dtCh= "/";
	var minYear=1900;
	var maxYear=2100;
	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 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}
	
function emailcheck(str) {
	var pos = 0;
	var rest = "";
	var eaddress = "";
	
	pos = str.indexOf(';');
	while (pos < str.length && str.length != 0) {
		if (pos == -1) pos = str.length+1;
		eaddress = str.substring(0, pos);
		str = str.substring(pos + 1, str.length);
		if (echeck(trim(eaddress)) == false) {
			return false;
		}
		pos = str.indexOf(';');
	}
	return true;
}

function SetCustName(myNum)
{
	for (i=1; i< getcustomer.custname.options.length; i++)
	{
        if (String(myNum) == String(getcustomer.custname.options(i).value))
        {
			getcustomer.custname.options(i).selected = true;
			getcustomer.custname.focus;
			break;
        }
        else
        {
			getcustomer.custname.options(0).selected = true;
		}
	}
}

function SetCustNum(myNum)
{
	getcustomer.custnum.value = myNum;
}
function checkdate(objName) 
{
	var datefield = objName;
	if (chkdate(objName) == false) 
	{
		datefield.select();
		alert("The date you entered is in an invalid format.  Please put the date in a m/d/yyyy format. ex: 1/1/2001");
		datefield.focus();
		return false;
	}
	else 
	{
		return true;
	}
}
function chkdate(objName) 
{
	var strDatestyle = "US"; //United States date style
	//var strDatestyle = "EU";  //European date style
	var strDate;
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intday;
	var intMonth;
	var intYear;
	var booFound = false;
	var datefield = objName;
	var strSeparatorArray = new Array("-"," ","/",".");
	var intElementNr;
	var err = 0;
	var strMonthArray = new Array(12);
	strMonthArray[0] = "1";
	strMonthArray[1] = "2";
	strMonthArray[2] = "3";
	strMonthArray[3] = "4";
	strMonthArray[4] = "5";
	strMonthArray[5] = "6";
	strMonthArray[6] = "7";
	strMonthArray[7] = "8";
	strMonthArray[8] = "9";
	strMonthArray[9] = "10";
	strMonthArray[10] = "11";
	strMonthArray[11] = "12";
	strDate = datefield.value;

	if (strDate.length < 1) 
	{
		return true;
	}
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) 
	{
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
			}
			booFound = true;
		}
	}
	if (booFound == false) 
	{
		if (strDate.length>5) 
		{
			strDay = strDate.substr(0, 2);
			strMonth = strDate.substr(2, 2);
			strYear = strDate.substr(4);
		}
	}
	if (strYear.length == 2) 
	{
		strYear = '20' + strYear;
	}
	if (strDatestyle == "US") 
	{
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
	intday = parseInt(strDay, 10);
	if (isNaN(intday)) 
	{
		err = 2;
		return false;
	}
	intMonth = parseInt(strMonth, 10);
	if (isNaN(intMonth)) 
	{
		for (i = 0;i<12;i++) 
		{
			if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) 
			{
				intMonth = i+1;
				strMonth = strMonthArray[i];
				i = 12;
			}
		}
		if (isNaN(intMonth)) 
		{
			err = 3;
			return false;
		}
	}
	intYear = parseInt(strYear, 10);
	if (isNaN(intYear)) 
	{
		err = 4;
		return false;
	}
	if (intMonth>12 || intMonth<1) 
	{
		err = 5;
		return false;
	}
	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) 
	{
		err = 6;
		return false;
	}
	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) 
	{
		err = 7;
		return false;
	}
	if (intMonth == 2) 
	{
		if (intday < 1) 
		{
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true) 
		{
			if (intday > 29) 
			{
				err = 9;
				return false;
			}
		}
		else 
		{
			if (intday > 28) 
			{
				err = 10;
				return false;
			}
		}
	}
	if (strDatestyle == "US") 
	{
		datefield.value = strMonthArray[intMonth-1] + "/" + intday + "/" + strYear;
	}
	else 
	{
		datefield.value = intday + " " + strMonthArray[intMonth-1] + " " + strYear;
	}
	return true;
}
function LeapYear(intYear) 
{
	if (intYear % 100 == 0) 
	{
		if (intYear % 400 == 0) 
		{ 
			return true; 
		}
	}
	else 
	{
		if ((intYear % 4) == 0) 
		{ 
			return true; 
		}
	}
	return false;
}
function DisableButton(formName,elem)
{
	eval('document.' + formName + '.' + elem).disabled = true;
}