/////////////////begin form validation code/////////////////////

//form validation - multiple form inputs
	//uses validateInput() for each input
	//returns true or false
	//displays any failure message
	//form is the name of the form
	//validate format: input name=friendly name=test=required
		//leave the 'test' parameter blank or 'nada' to allow field to be required only - no test
		//example: validateForm('Form1', 'per_email=Email Address=email=true,cas_uid=Case Number=integer=false,fromdate=From Date=date=false,todate=To Date=date=true')
	//
function validateForm(form, validate){
	var oInput, sName, sTest, bReq, msg = "";
	var pairs = validate.split(",");
	for(i in pairs){
		oInput = eval("document." + form + ".elements['" + pairs[i].split("=")[0] + "']");
//		oInput = eval("document.getElementById('" + pairs[i].split("=")[0] + "')");
		sName = pairs[i].split("=")[1];
		sTest = pairs[i].split("=")[2];
		bReq = eval(pairs[i].split("=")[3]);
		msg += validateInput(oInput, sName, sTest, bReq);
	}
	if(msg != ""){
		alert(msg);
		return false;
	}
	return true;
}	

//form validation - single form input
	//returns empty string '' upon success
	//rerturns error message upon failure
	//oInput is form input object, sName is friendly name of input, sTest is the test to perfom, bReq is true if input is required
		//example: validateInput(per_email, 'Email Address', 'email', true)
function validateInput(oInput, sName, sTest, bReq){
    var rTest = "";
    var sVal = oInput.value;
//    try {var sVal = oInput.value;}
//    catch(e) {alert(sName)}
    if(sVal == "" && !bReq){return rTest;}
    if(sVal == "" && bReq){return sName + ": This field is required.\n";}
    if(sTest == "date"){rTest = validateDate(oInput.value);}
    if(sTest == "money"){rTest = validateMoney(oInput.value);}
    if(sTest == "email"){rTest = validateEmail(oInput.value);}
    if(sTest == "zip"){rTest = validateZipCode(oInput.value);}
    if(sTest == "integer"){rTest = validateInteger(oInput.value);}
    if(sTest == "numeric"){rTest = validateNumeric(oInput.value);}
    if(sTest == "group"){rTest = validateGroup(oInput);}
    if(sTest == "message"){return sName + "\n";}
    if(rTest != ""){rTest = sName + ": " + rTest + "\n"}
    return rTest;
}

// validation functions used by validateInput() above
//
function validateDate(sVal){
    var reDatePat = /^(\d{1,2})(\/|-)(\d{1,2})(\/|-)(\d{4})$/;
    var OmatchArray = sVal.match(reDatePat);
    if (OmatchArray == null) {
        return "all dates require a valid mm/dd/yyyy or mm-dd-yyyy date format.";
    }
    else{
        var strError = "";
        var strMonth = OmatchArray[1]; // parse date into variables
        var strDay = OmatchArray[3];
        var strYear = OmatchArray[5];
        if(strMonth < 1 || strMonth > 12) { // check month range
            strError="Month must be between 1 and 12.";
        }
        if(strDay < 1 || strDay > 31) {
			if(strError != ""){strError += ", ";}
            strError += "Day must be between 1 and 31.";
        }
        if((strMonth==4 || strMonth==6 || strMonth==9 || strMonth==11) && strDay==31) {
			if(strError != ""){strError += ", ";}
            strError += "Month "+strMonth+" doesn't have 31 days.";
        }
        if(strMonth == 2) { // check for february 29th
            var blnIsleap = (strYear % 4 == 0 && (strYear % 100 != 0 || strYear % 400 == 0));
            if (strDay>29 || (strDay==29 && !blnIsleap)) {
				if(strError != ""){strError += ", ";}
                strError += "February " + strYear + " doesn't have " + strDay + " days.";
            }
        }
        if(strYear < 1900 || strYear > 9999) {	//restrict year (mostly for sql)
			if(strError != ""){strError += ", ";}
            strError += "Year must be within a valid range.";
        }
        if(strError != ""){
            return strError;
        }
    }
    return "";
}

function validateMoney(sVal){			
    reMoneyPat = /^\$|,/g;
    sVal=sVal.replace(reMoneyPat, "");
    if(isNaN(sVal)){return "A valid US monitary format is required.";}
    return "";
} 

function validateEmail(sVal){
    var rePat = /[a-zA-Z0-9_\.\-\+]+@[a-zA-Z0-9_\.\-\+]+\.[a-zA-Z]+$/;
    var bln = rePat.test(sVal);
    if(!bln){return "A valid email address is required.";}    
    return "";
}
		
function validateZipCode(sVal){
    var rePat1 = /(^\d{5}$)|(^\d{5}-\d{4}$)/;
    var OmatchArray1 = sVal.match(rePat1);
    if (OmatchArray1 == null) {
        return "A valid zipcode is required.";
    }
    return "";
}

function validateInteger(sVal){
	if(sVal.search(/[^\d]/) != -1){
		return "This field accepts Integers only.";
	}
	return "";
}

function validateNumeric(sVal){
	if(isNaN(sVal)){return "This field accepts numbers only.";}
	return "";
}

function validateGroup(oIn){
	for(i=0; i<oIn.length; i++){
		if(oIn[i].checked){return "";}
	}
	return "Please make a selection.";
}


//validate a password as being strong
function strongPass(password){
	var msg = "";
	if(!(password.length >= 7)){msg += "passwords must be at least 7 characters long.\n";}
	if(!(password.match(/\d/))){msg += "passwords must include at least one number.\n";}
	if(!(password.match(/[A-Z]/))){msg += "passwords must include at least one uppercase letter.\n";}
	if(!(password.match(/[a-z]/))){msg += "passwords must include one or more lowercase letters.\n";}
	if(!(password.match(/\W+/))){msg += "passwords must include at least one special character - #,@,%,!\n";}
	if(msg != ""){
		alert(msg);
		return false;
	}
	return true;
}
/////////////////end form validation code/////////////////////


/////////////////start ajax code/////////////////////
var xmlHttp;

function GetXmlHttpObject() {
	var xmlHttp=null;
	try { // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	} catch (e) {  // Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

//////////////// FORM APPROVE ////////////////
function changeApprove(form,disabled) {
	var xInput=form.getElementsByTagName("input");
	var xOption=form.getElementsByTagName("select");
	var xTextArea=form.getElementsByTagName("textarea");
	var bgcolor;
	var check = true;

	if(disabled == true) {
		bgcolor = "#EEE";
		disabled = true;
	} else {
		bgcolor = "#FFF";
		disabled = false;
	}

	if(check) {
		for(var i=0;i < xInput.length;i++) {
			switch(xInput[i].type) {
				case "text":
					xInput[i].readOnly=disabled;
					xInput[i].style.background=bgcolor;
					break;
				case "radio":
					xInput[i].disabled=disabled;
					break;
				case "checkbox":
					xInput[i].disabled=disabled;
					break;
			}
		}
		for(var i=0;i < xOption.length;i++) {
			xOption[i].disabled=disabled;
			xOption[i].style.background=bgcolor;
		}
		for(var i=0;i < xTextArea.length;i++) {
			xTextArea[i].disabled=disabled;
			xTextArea[i].style.background=bgcolor;
		}
	}

	return false;
}


function OpenSub(elm) {

	childs = elm.parentNode.getElementsByTagName("a");
	for(x=0;x<childs.length;x++) {
		childs[x].className = "";
	}
	childs = elm.parentNode.getElementsByTagName("div");
	for(x=0;x<childs.length;x++) {
		if(childs[x].className=="menu_sub") childs[x].style.display = "none";
	}
	
	elm.className = "actived";

	if(!elm.nextSibling) return;
	if(elm.nextSibling.className!="menu_sub") return;

	if(elm.nextSibling.style.display == "") { 
		elm.nextSibling.style.display = "none";
		elm.className = "";
	} else { 
		elm.nextSibling.style.display = ""; 
	}
}

function checkContentEdit(form) {
	missinginfo = "";
    var rePat = /[a-zA-Z0-9_]+\.(php)$/;

//	if (form.cnt_gti_id.value == "") { missinginfo += "\n - Page Serial"; };
	if (form.cnt_pages.value == "") { missinginfo += "\n - Page name" } else { if(!rePat.test(form.cnt_pages.value)) { missinginfo += "\n - Incorrect file type (*.php)" } }

	if (missinginfo != "") { 
		missinginfo = "_____________________________\n" + "Please check form below :\n" + missinginfo + "\n_____________________________";
		alert(missinginfo);
		return false;
	} else { 
		return true;
	};
};