var alertmsg = "";

//--- contact form checker
function fnCheckForm(form) {
	if (form.first_name.value == "") {
		alertmsg = alertmsg + ("- your FIRST NAME is required\n")
	}
	if (form.last_name.value == "") {
		alertmsg = alertmsg + ("- your LAST NAME is required\n")
	}
	if (form.address_line1.value == "") {
		alertmsg = alertmsg + ("- your ADDRESS is required\n")
	}
	if (form.city.value == "") {
		alertmsg = alertmsg + ("- your CITY is required\n")
	}
	if (form.state.value == "") {
		alertmsg = alertmsg + ("- your STATE is required\n")
	}
	if (form.zip.value == "") {
		alertmsg = alertmsg + ("- your ZIP is required\n")
	}
	if (form.email_address.value == "") {
		alertmsg = alertmsg + ("- your EMAIL ADDRESS is required\n")
	
	} else if (form.email_address.value.indexOf("@")==-1 || form.email_address.value.indexOf(".")==-1) {
		alertmsg = alertmsg + ("- your EMAIL format is not correct\n")
	}
	if (alertmsg!="") {
		alert("Incorrect Information: \n\n" + alertmsg + "\nPlease return to the form and correct your information.\n\nThank You.\n")
		alertmsg = ""
		return false
		}
	return true;
}

//--- login form checker
function fnCheckLoginForm(form) {
	if (form.username.value == "") {
		alertmsg = alertmsg + ("- your USERNAME is required\n")
	}
	if (form.password.value == "") {
		alertmsg = alertmsg + ("- your PASSWORD is required\n")
	}
	if (alertmsg!="") {
		alert("Incorrect Information: \n\n" + alertmsg + "\nPlease return to the form and correct your information.\n\nThank You.\n")
		alertmsg = ""
		return false
		}
	return true;
}

function fnCheckContactUsForm(form) {

    if (form.ctl00_cntCopy_txtFirstName.value == "") {
        alertmsg = alertmsg + ("- your FIRST NAME is required\n")

    }
    if (form.ctl00_cntCopy_txtLastName.value == "") {
        alertmsg = alertmsg + ("- your LAST NAME is required\n")

    }
    if (form.ctl00_cntCopy_txtEmailAddress.value == "") {
        alertmsg = alertmsg + ("- your EMAIL ADDRESS is required\n")

    } else if (form.ctl00_cntCopy_txtEmailAddress.value.indexOf("@") == -1 || form.ctl00_cntCopy_txtEmailAddress.value.indexOf(".") == -1) {
        alertmsg = alertmsg + ("- your EMAIL format is not correct\n")
    }
    if (form.ctl00_cntCopy_txtCaptcha.value == "") {
        alertmsg = alertmsg + ("- you must prove you are HUMAN!\n")

    }
    //if (!form.ctl00_cntCopy_chkAgree.checked) {
    //	alertmsg = alertmsg + ("- you must AGREE to the Terms of Use\n")
    //
    //}
    if (alertmsg != "") {
        alert("Incorrect Information: \n\n" + alertmsg + "\nPlease return to the 'Contact Us' form and correct your information.\n\nThank You.\n")
        alertmsg = ""
        return false
    }
    return true;
}

function fnCheckEquipmentCounts(form) {
    if (form.ctl00_cntCopy_fld_number_tr_2000.value == "0") {
        alertmsg = alertmsg + ("- AT LEAST 1 TracRac 2000 is required\n")
    }
    if (form.ctl00_cntCopy_fld_number_tr_0720.value == "0" && form.ctl00_cntCopy_fld_number_tr_0900.value == "0" && form.ctl00_cntCopy_fld_number_tr_1620.value == "0") {
        alertmsg = alertmsg + ("- AT LEAST 1 piece of equipment in addition to the TracRac 2000 is required\n")
    }

    if (alertmsg != "") {
        alert("Incorrect Information: \n\n" + alertmsg + "\nPlease return to the 'Step 1. Equipment form' and correct your information.\n\nThank You.\n")
        alertmsg = "";
        return false;
    }
    return true;
}

function fnCheckInputValues(form) {
    return true;
}


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_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 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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_showHideByDisplayLayers() { //v1.0
  var i,p,v,obj,args=MM_showHideByDisplayLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
    obj.display=v; }
}

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 fnRemoveValue(myObject, myValue) {
	if (myObject.value == myValue) {
		myObject.value = '';
	}
}
function fnRestoreValue(myObject, myValue) {
	if (myObject.value == '') {
		myObject.value = myValue;
	}
}
function fnReturnValidDate(myValue, originalValue) {
	var dt = myValue;
	if (dt.value != originalValue) {
		if (isDate(dt.value)==false){
			dt.focus()
			return false
		}
		return true
	}
}


/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var currentDate = new Date()
var maxYear=currentDate.getFullYear();

function retInteger(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 isFloat(form_object, s) {
    var i;
    if (s.length > 0) {
        for (i = 0; i < s.length; i++) {
            // Check that current character is number.
            var c = s.charAt(i);
            if (((c >= 0) && (c <= 9)) || (c == ".")) {
                c_float = "1";
            } else {
                document.getElementById(form_object).focus();
                c_float = "0";
                break;
            }
        }
        if (c_float == "0") {
            document.getElementById(form_object).value = '0.00';
            document.getElementById(form_object).focus();
            alert('Important Information:\n    Value must be a valid number/float.\n    Valid characters: [0 1 2 3 4 5 6 7 8 9 . ]');
            return false;
        } else {
            return true;
        }
    } else {
        document.getElementById(form_object).value = '0.00';
        document.getElementById(form_object).focus();
        alert('Important Information:\n    Value must be a valid number/float.\n    Valid characters: [0 1 2 3 4 5 6 7 8 9 . ]');
        return false;
    }
}

function isInteger(form_object, s) {
    var i;
    if (s.length > 0) {
        for (i = 0; i < s.length; i++) {
            // Check that current character is number.
            var c = s.charAt(i);
            if ((c >= 0) && (c <= 9)) {
                c_float = "1";
            } else {
                document.getElementById(form_object).focus();
                c_float = "0";
                break;
            }
        }
        if (c_float == "0") {
            document.getElementById(form_object).value = '0';
            document.getElementById(form_object).focus();
            alert('Important Information:\n    Value must be a valid number.\n    Valid characters: [0 1 2 3 4 5 6 7 8 9]');
            return false;
        } else {
            return true;
        }
    } else {
        document.getElementById(form_object).value = '0';
        document.getElementById(form_object).focus();
        alert('Important Information:\n    Value must be a valid number.\n    Valid characters: [0 1 2 3 4 5 6 7 8 9]');
        return false;
    }
}
function isIntegerGreaterThanZero(form_object, s) {
    var i;
    if (s.length > 0) {
        for (i = 0; i < s.length; i++) {
            // Check that current character is number.
            var c = s.charAt(i);
            if ((c >= 1) && (c <= 9)) {
                c_float = "1";
            } else {
                document.getElementById(form_object).focus();
                c_float = "0";
                break;
            }
        }
        if (c_float == "0") {
            document.getElementById(form_object).value = '1';
            document.getElementById(form_object).focus();
            alert('Important Information:\n    Value must be a valid number greater than 0.\n    Valid characters: [1 2 3 4 5 6 7 8 9]');
            return false;
        } else {
            return true;
        }
    } else {
        document.getElementById(form_object).value = '1';
        document.getElementById(form_object).focus();
        alert('Important Information:\n    Value must be a valid number greater than 0.\n    Valid characters: [0 1 2 3 4 5 6 7 8 9]');
        return false;
    }
}

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("Important Information: The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Important Information: Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Important Information: Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Important Information: 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("Important Information: Please enter a valid date")
		return false
	}
return true
}



function getElementById( id ) {
	if (navigator.appVersion.search('Safari') == -1) {
		return document.all[id];
	} else {
		return document.getElementById(id);
	}
}

function onMenuClicked( evt, eSrc, id ) {
	if (navigator.appVersion.search('Safari') == -1) {
		//window.event.cancelBubble = true;
	} else {
		evt.stopPropagation();
	}
    var eSpan = getElementById('span'+id);
    eSpan.className = (eSpan.className=='clsShow') ? 'clsHide' : 'clsShow';
    var eImg = getElementById('img'+id);
    if( eSpan.className=='clsHide' ) {
		var eLink = getElementById(id);
		eLink.innerHTML = 'click for more...';
        eImg.src = _imageRight.src;
    }
    else {
		var eLink = getElementById(id);
		eLink.innerHTML = 'click to hide...';
        eImg.src = _imageDown.src;
    }
}