// JavaScript Document
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function listFields(who){
	who = eval('document.' + who);
	var tempList = new Array(who.elements[0].name);
	for(var i = 1; i < who.length; i ++){
		if(who.elements[i].name != who.elements[i-1].name){
			tempList[tempList.length] = ' ' + who.elements[i].name;			
		}else{
			if(who.elements[i].type != 'radio'){
				alert('A duplicate field name exists in your form');
				tempList[tempList.length] = ' ' + who.elements[i].name;
			}		
		}
	}	
	document.write(tempList);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}function listFields(who){
	who = eval('document.' + who);
	var tempList = new Array(who.elements[0].name);
	for(var i = 1; i < who.length; i ++){
		if(who.elements[i].name != who.elements[i-1].name){
			tempList[tempList.length] = ' ' + who.elements[i].name;			
		}else{
			if(who.elements[i].type != 'radio'){
				alert('A duplicate field name exists in your form');
				tempList[tempList.length] = ' ' + who.elements[i].name;
			}		
		}
	}	
	document.write(tempList);
}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function validateLogin(){
	e = true;
	alert_str = 'You must enter both a username and password to access this section.';
	if((document.loginForm.username.value == '')||(document.loginForm.password.value == '')) {
		e = false;
	}
	if(e)
		return true;
	else {
		alert(alert_str);
		return false;
	}
}

function chkEmail(objName){
// Check for @ and .
	var checkStr = objName;
	var hasAt = false;
	var hasDot = false;
	for (i = 0;  i < checkStr.value.length;  i++){
		ch = checkStr.value.charAt(i);
		if (ch == "@")
			hasAt = true;
		if (ch == ".")
			hasDot = true;
	}
	if (!hasAt){	
		return false;
	}
	if (!hasDot){	
		return false;
	}
}

function validateRequest() {
	e = true;
	alert_str = 'Your information request had the following errors:';
	if(document.requestForm.company.value == '') {
		alert_str += '\nMISSING Company Name.';
		e = false;
	}
	if(document.requestForm.contact.value == '') {
		alert_str += '\nMISSING Contact Name.';
		e = false;
	}
	if(document.requestForm.city.value == '') {
		alert_str += '\nMISSING City.';
		e = false;
	}
	if(document.requestForm.state.value == '') {
		alert_str += '\nMISSING State/Province.';
		e = false;
	}			
	if(document.requestForm.phone.value == '') {
		alert_str += '\nMISSING Phone.';
		e = false;
	}
	else {
		if(document.requestForm.phone.value.length < 7) {
			alert_str += '\nINVALID Phone Number.';
			e = false;
		}	
	}
	if(document.requestForm.hear_about.value == '0') {
		alert_str += '\nSELECT Where did you find us.';
		e = false;
	}	
	if(e)
		return true;
	else {
		alert(alert_str);
		return false;
	}
}	

function awardspop(who,what){
	picNum = who;
	desc = what;
	window.open('/award_pop.htm','popUp','width=512,height=480');	
}

function open_win(Dest,features){
	win_features = features + 'Scrollbars=No,left=50,top=100,alwaysraised=Yes,alwaysshow=yes';
	window.open(Dest,'',win_features);
}

function SetPickupTons(){
	if (isNaN(document.customerpickup.pounds.value)) {
		document.customerpickup.pounds.value = 0;
		document.customerpickup.tons.value = 0;
	}
	else
		document.customerpickup.tons.value = document.customerpickup.pounds.value/2000;
	
}

function SetPickupPounds(){
	document.customerpickup.pounds.value = document.customerpickup.tons.value*2000;
}

function SelectShredCost(){
	if (document.shredform.costbasis[0].checked) {
		document.shredform.pounds.disabled = true;
		document.shredform.priceperpound.disabled = true;
		document.shredform.setprice.disabled = true;
		document.shredform.numcontainers.disabled = false;
		document.shredform.pricepercontainer.disabled = false;
	}
	if (document.shredform.costbasis[1].checked) {
		document.shredform.numcontainers.disabled = true;
		document.shredform.pricepercontainer.disabled = true;
		document.shredform.setprice.disabled = true;
		document.shredform.pounds.disabled = false;
		document.shredform.priceperpound.disabled = false;
	}
	if (document.shredform.costbasis[2].checked) {
		document.shredform.numcontainers.disabled = true;
		document.shredform.pricepercontainer.disabled = true;
		document.shredform.pounds.disabled = true;
		document.shredform.priceperpound.disabled = true;
		document.shredform.setprice.disabled = false;
	}
	
}

function validateShred() {
	e = true;
	alert_str = 'Your shredding entry had the following errors:';
	if (document.shredform.shreddate.value == '') {
		alert_str += '\nMISSING Date.';
		e = false;
	}
	if (!(isDate(document.shredform.shreddate.value))) {
		alert_str += '\nINVALID Date.';
		e = false;
	}
	
	
	
	if (document.shredform.costbasis[0].checked) {
		if (document.shredform.numcontainers.value == '') {
			alert_str += '\nMISSING Number of Containers.';
			e = false;
		}	
		if (isNaN(document.shredform.numcontainers.value)) {
			alert_str += '\nINVALID Number of Containers.';
			e = false;
		}	
		if (document.shredform.pricepercontainer.value == '') {
			alert_str += '\nMISSING Price per Container.';
			e = false;
		}
		if (isNaN(document.shredform.pricepercontainer.value)) {
			alert_str += '\nINVALID Price per Container.';
			e = false;
		}			
	}
	if (document.shredform.costbasis[1].checked) {
		if (document.shredform.pounds.value == '') {
			alert_str += '\nMISSING Pounds.';
			e = false;
		}	
		if (isNaN(document.shredform.pounds.value)) {
			alert_str += '\nINVALID Pounds.';
			e = false;
		}	
		if (document.shredform.priceperpound.value == '') {
			alert_str += '\nMISSING Price per Pound.';
			e = false;
		}
		if (isNaN(document.shredform.priceperpound.value)) {
			alert_str += '\nINVALID Price per Pound.';
			e = false;
		}			
	}
	if (document.shredform.costbasis[2].checked) {
		if (document.shredform.setprice.value == '') {
			alert_str += '\nMISSING Set Price.';
			e = false;
		}	
		if (isNaN(document.shredform.setprice.value)) {
			alert_str += '\nINVALID Set Price.';
			e = false;
		}			
	}
	if (isNaN(document.shredform.pickupfee.value)) {
		alert_str += '\nINVALID Pickup Fee.';
		e = false;
	}	
	if(e)
		return true;
	else {
		alert(alert_str);
		return false;
	}
}	

function validatePickup() {
	e = true;
	alert_str = 'Your pickup entry had the following errors:';
	if (document.customerpickup.pickupdate.value == '') {
		alert_str += '\nMISSING Date.';
		e = false;
	}
	else {	
		if (!(isDate(document.customerpickup.pickupdate.value))) {
			alert_str += '\nINVALID Date.';
			e = false;
		}
	}	
	
	if (document.customerpickup.tons.value == '') {
		alert_str += '\nMISSING Tons.';
		e = false;
	}	
	if (isNaN(document.customerpickup.tons.value)) {
		alert_str += '\nINVALID Tons.';
		e = false;
	}
		
	if (document.customerpickup.priceperton.value == '') {
		alert_str += '\nMISSING Price Per Ton.';
		e = false;
	}	
	if (isNaN(document.customerpickup.priceperton.value)) {
		alert_str += '\nINVALID Price Per Ton.';
		e = false;
	}
	
	if (isNaN(document.customerpickup.pickupfee.value)) {
		alert_str += '\nINVALID Pickup Fee.';
		e = false;
	}	
	if(e)
		return true;
	else {
		alert(alert_str);
		return false;
	}
}

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){
		//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
}