/********************************************************************
*	Function:	setFocus
*	Purpose:	place the cusror in the first available input field
*	Parameters:	none
*	Return:		none
*/
function setFocus()
{
	var field = document.forms[0];
	for (i = 0; i < field.length; i++)
	{
		if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea")
			 || (field.elements[i].type.toString().charAt(0) == "s"))
		{
			document.forms[0].elements[i].focus();
			break;
        }
    }
}
/******************* End of function setFocus() *******************/

/********************************************************************************
* Name				:	chkEmail
* Purpose			:	Check for valid email address format
* Input Parameters	:	val	- element value
* Return			:	False if invalid format
*/
function chkEmail(str)
{
	// are regular expressions supported?
	var supported = 0;
	if (window.RegExp)
	{
		var tempStr = "a";
	    var tempReg = new RegExp(tempStr);
	    if (tempReg.test(tempStr))
			supported = 1;
	}
	if (!supported) 
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);

	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
	return (!r1.test(str) && r2.test(str));
}

/*
function chkEmail(val)
{
	var exclude = /[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
	var check = /@[\w\-]+\./;
	var checkend = /\.[a-zA-Z]{2,3}$/;
	
	if(((val.search(exclude) != -1) || (val.search(check)) == -1) || (val.search(checkend) == -1))
	{
		return(false);
	}
	else
	{
		return(true);
	}
}
*/
/********************* End of function chkEmail(val) ***************************/

/*******************************************************************************
* Name				:	chkSpaces
* Purpose			:	Check for only whitespace entered
* Input Parameters	:	val		element value
* Return			:	False if whitespace only in field
*/
function chkSpaces(val)
{
	for(var i = 0; i < val.length; i++)		// Loop through value a character at a time
	{
		var ch = val.charAt(i);
		if((ch != ' ') && (ch != '\n') && (ch != '\t'))
			return(false);
		else
			return(true);	// Value contains valid characters
	}
}
/************************ End of function chkSpaces(val) ****************************/

/********************************************************************************
* Name				:	formatCurrency
* Purpose			:	format value to currency format
* Input Parameters	:	num	- element value
* Return			:	formatted value
*/
function formatCurrency(num)
{
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num))
		num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10)
		cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
		num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	return (((sign)?'':'-') + '$' + num + '.' + cents);
}
/************************ End of function formatCurency(num) ****************************/

/****************************************************************************************
* Name					:	chkString
* Purpose				:	Check for valid string content
* Input Parameters		:	val		element value
* Return				:	False if contains numeric value(s)
*/
function chkString(val)
{
	for(var i = 0; i < val.length; i++)		// Loop through value a character at a time
	{
		var ch = val.charAt(i);
		if(!(isNaN(ch)))
			return(false);
		else
			return(true);	// Value contains valid characters
	}
}
/************************* End of function chkString(val) *********************************/


/***************** Pop-up windows for Open House gallery *******************************/

var win= null;
function NewWindow(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=no';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}