/* ***************************************************************
	CROSS BROWSER FUNCTIONS

	Copyright (c) 2002 - 2003 Nequalsone, LLC.  All rights reserved.

    Author: Hollie Buffington
    Version: $Id: cross.js,v 2.0 2003/07/24 19:53:38 hollie Exp $
****************************************************************** */

// Determine Browser Type (stored in B_Type obj.)
var B_Type = new crossBrowserType();
function crossBrowserType() {
	this.IE = false;
	this.NS4 = false;
	this.NS6 = false;
	this.id = "";

	if (document.all) {this.IE = true; this.id = "IE";}
	else if (document.getElementById) {this.NS6 = true; this.id = "NS6";}
	else if (document.layers) {this.NS4 = true; this.id = "NS4";}
}

// Return Mouse Position
var crossMouseX, crossMouseY;
if (B_Type.NS4) document.captureEvents(Event.MOUSEMOVE);

function crossMousePosition(e) {
	if (B_Type.IE) {
		crossMouseX=crossGetScroll("x") + event.clientX //event.x + document.body.scrollLeft;
		crossMouseY=crossGetScroll("y") + event.clientY - 12 //event.y + document.body.scrollTop;
	}
	else {crossMouseX=e.pageX; crossMouseY=e.pageY;}
}

// Return Reference to DHTML object basied on ID
function crossGetObject(id) {
	var obj = null;
	if (B_Type.IE) obj=document.all[id];
	else if (B_Type.NS6) obj=document.getElementById(id);
	else if (B_Type.NS4) obj=document.layers[id];
	return obj;
}

// Write text/html in DHTML object
function crossWrite(obj, text) {
	if (B_Type.IE) obj.innerHTML = text;
	else if (B_Type.NS6) obj.innerHTML = text;
	else if (B_Type.NS4) {
		obj.document.open();
		obj.document.write(text);
		obj.document.close();
	}
}

// Determine available window width
function crossInnerWindowWidth() {
	var val;
	if (B_Type.IE) val=document.body.clientWidth;
	else if (B_Type.NS6) val=window.innerWidth;
	else if (B_Type.NS4) val=window.innerWidth;
	return val;
}

// Determine actual window width
function crossOuterWindowWidth() {
	var val;
	if (B_Type.IE) val=document.body.offsetWidth;
	else if (B_Type.NS6) val=window.outerWidth;
	else if (B_Type.NS4) val=window.outerWidth;
	return val;
}

// Determine available window height
function crossInnerWindowHeight() {
	var val;
	if (B_Type.IE) val=document.body.clientHeight;
	else if (B_Type.NS6) val=window.innerHeight;
	else if (B_Type.NS4) val=window.innerHeight;
	return val;
}

// Determine Scroll-position, "y" = vertical, "x" = horizontal
function crossGetScroll(axis) {
	var val;
	if (!axis || axis == "y") {  // vertical axis
		if (B_Type.IE){
			if (document.documentElement && document.documentElement.scrollTop) val = document.documentElement.scrollTop;
			else if (document.body)val = document.body.scrollTop
		}else if (B_Type.NS6) val=window.pageYOffset;
		else if (B_Type.NS4) val=window.pageYOffset;
	}
	else {  // horizontal axis
		if (B_Type.IE){
			if (document.documentElement && document.documentElement.scrollTop) val = document.documentElement.scrollLeft;
			else if (document.body) val = document.body.scrollLeft;
		}else if (B_Type.NS6) val=window.pageXOffset;
		else if (B_Type.NS4) val=window.pageXOffset;
	}
	return val;
}

// Set Scroll-position
function crossSetScroll(x, y) {
	window.scrollTo(x, y);
}


// Object Positioning x/y
function crossMoveTo(obj, x, y) {
	if (B_Type.IE) {obj.style.pixelLeft=x; obj.style.pixelTop=y;}
	else if (B_Type.NS4) {obj.left=x; obj.top=y;}
	else if (B_Type.NS6) {obj.style.left=x+"px"; obj.style.top=y+"px";}
}

// ODetermine object-position
function crossGetPositionX(obj) {
	if (B_Type.IE) return obj.style.pixelLeft;
	else if (B_Type.NS4) return obj.left;
	else if (B_Type.NS6) return parseInt(obj.style.left);
}
function crossGetPositionY(obj) {
	if (B_Type.IE) return obj.style.pixelTop;
	else if (B_Type.NS4) return obj.top;
	else if (B_Type.NS6) return parseInt(obj.style.top);
}

// Show object (set visible)
function crossShowObject(obj) {
	if (B_Type.IE || B_Type.NS6) {obj.style.visibility="visible";}
	else if (B_Type.NS4) {obj.visibility="show";}
}
// Hide Object (set hidden)
function crossHideObject(obj) {
	if (B_Type.IE || B_Type.NS6) {obj.style.visibility="hidden";}
	else if (B_Type.NS4) {obj.visibility="hide";}
}


// Set background-color
function crossBackgroundColor(color, obj) {
	if (typeof obj == "undefined") {document.bgColor=color; return;}
	if (B_Type.IE || B_Type.NS6) {obj.style.backgroundColor=color;}
	else if (B_Type.NS4) {obj.document.bgColor=color;}
}


// Set background-picture
function crossBackgroundImage(obj, img) {
	if (B_Type.IE || B_Type.NS6) {obj.style.backgroundImage="url(" + img + ")";}
	else if (B_Type.NS4) {obj.background.src = img;}
}

//date validation 9/22/04
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=parseInt(new Date.getYear());

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 || 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 dateValidation(form){
	
	if (isDate(form.value)==false){
		//dt.focus()
		return false
	}
    return true
 }

function isState(stateStr){
	
	stateStr = stateStr.toUpperCase();
	var count = new Boolean();
	if(stateStr.indexOf(",") != -1 ){
		var state = stateStr.split(",");
		for(var i = 0; i < state.length; i++){
			count = search(state[i]);
			if(!count)
				return count;
        	}
		
	}else{
		
		var state = stateStr;
		count = search(state);
		if(!count)
			return count;
	}
 
	return count;
}

function search(state){
	var stateArr = new Array("AK","AL","AR","AZ","CA","CO","CT","DC","DE","FL","GA","HI","IA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NV","NY","OH","OK","OR","PA","PR","RI","SC","SD","TN","TX","UT","VA","VT","WA","WI","WV","WY");
        for(var i = 0; i < stateArr.length; i++) {
		if( state == stateArr[i]){
			
			return true;
		}
	}
	//alert(state + " is invalid entry!")
	return false;
}