//////////////////////////////////////////////////////////////////////////////////////
//
//          webcommon.js (c)2006 Continental Airlines
//
//////////////////////////////////////////////////////////////////////////////////////
// Turn off viewstate
//document.forms[0].__VIEWSTATE.name = "NOTVEIWSTATE";
 document.onkeydown = checkKeycode;

 document.forms[0].onsubmit = function() {
     if (document.forms[0].langChange == '0') {
         return formsubmit()
     }
 }

function checkKeycode(e) {
    var keycode;
    if (window.event) keycode = window.event.keyCode;
    else if (e) keycode = e.which;
    if (keycode == 13) {
        if (document.getElementById('_ctl0_Main_btnContinue_Button1') != null && document.getElementById('_ctl0_Main_btnContinue_Button1').disabled == false)
            ValidateData();
    }
}
function formsubmit() {
    if (document.getElementById('_ctl0_Main_btnContinue_Button1') != null && document.getElementById('_ctl0_Main_btnContinue_Button1').disabled == false) {
        ValidateData();
    }
    return false;
}

function checkEnter(evnt) {

	if (document.layers) {
		keycd = evnt.which;
	} else { 
		if (document.all){
			evnt = window.event;
			keycd = evnt.keyCode;
		}
	}
	if (keycd == 13) {
	    if (document.getElementById('_ctl0_Main_btnContinue_Button1') != null && document.getElementById('_ctl0_Main_btnContinue_Button1').disabled == false)
	        ValidateData();
	}
}


function changeLanguage(slanguage) 
{
	if ((slanguage == null) || (slanguage == "")) slanguage = "0";
	var forms = document.forms; 
	var length = forms.length; 
	for (var i=0; i<length; i++) {
		var lang = forms[i].gLanguage.value;
		if (lang != null) {
			if (lang != slanguage) {
				forms[i].gLanguage.value = slanguage;
				forms[i].submit();
			}
		}
	}
}


function changeObjectVisibility(objectId, newVisibility) {
    var styleObject = getStyleObject(objectId);
    if (styleObject) {
       styleObject.visibility = newVisibility;

    if (newVisibility=="hidden" || newVisibility==""){
       styleObject.display = "none";
    }else{
       styleObject.display = "block";
       styleObject.visibility=="visible";
    }
    return true;
    } else {
    return false; 
    }
}

function getStyleObject(objectId) {
   if(document.getElementById && document.getElementById(objectId)) {
      return document.getElementById(objectId).style;
   }else if (document.all && document.all(objectId)) {  
      return document.all(objectId).style;
   }else if (document.layers && document.layers[objectId]) { 
      return document.layers[objectId];
   }else {
      return false;
   }
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function cancel() {
    document.forms[0].__VIEWSTATE.name = "NOTVIEWSTATE";
	document.forms[0].action = 'start.aspx';
	document.forms[0].submit();
}

function finish(){
    document.forms[0].__VIEWSTATE.name = "NOTVIEWSTATE";
	document.forms[0].action = "thankyou.aspx?SID=" + document.forms[0].txt_sessionGUID.value;
	document.forms[0].submit();

}

function navScreen(strScreen) {
    document.forms[0].__VIEWSTATE.name = "NOTVIEWSTATE";
	document.forms[0].action = strScreen;
	document.forms[0].submit();
}

///////////////////////////////////////////////////////////////
//New Standard for Web Project
//Every Page will implement ValidateData() function on continue button click event.
//once validation is successfull It will call do_continue() function.
//Also each page will have hidden fields 'NavigateTo'
//Example.
//function ValidateData(){
//   do the validation here for each page
//   and then call
//    do_continue();
//}
function do_continueWithParam(p){
    changeObjectVisibility("divMain","hidden");
    changeObjectVisibility("divWait","visible");
    setTimeout("document.getElementById('imgwait').src='img/waitspinner.gif';",0); 
    document.getElementById('imgwait').style.display = "inline"; 
    setTimeout("document.getElementById('imgonemoment').src='img/waitonemoment.gif';",0);

    if (document.getElementById('_ctl0_Main_btnContinue_Button1') != null) {
        document.getElementById('_ctl0_Main_btnContinue_Button1').setAttribute("disabled", "true");
    }
    
    var s = document.forms[0].NavigateTo.value;
	s += "?SID=" + document.forms[0].txt_sessionGUID.value;
	s += "&sessionKey=" + document.forms[0].sessionKey.value;
    s+="&gLanguage="+ document.forms[0].gLanguage.value;
    document.forms[0].__VIEWSTATE.name = "NOTVIEWSTATE";
    document.forms[0].action = s+p;
	document.forms[0].submit();
}

function do_continue(){
    changeObjectVisibility("divMain","hidden");
    changeObjectVisibility("divWait","visible");
    setTimeout("document.getElementById('imgwait').src='img/waitspinner.gif';",0);
    setTimeout("document.getElementById('imgonemoment').src='img/waitonemoment.gif';", 0);

    if (document.getElementById('_ctl0_Main_btnContinue_Button1') != null) {
        document.getElementById('_ctl0_Main_btnContinue_Button1').setAttribute("disabled", "true");
    }
   
    var s = document.forms[0].NavigateTo.value;
	s += "?SID=" + document.forms[0].txt_sessionGUID.value;
	s += "&sessionKey=" + document.forms[0].sessionKey.value;
    s+="&gLanguage="+ document.forms[0].gLanguage.value;
    document.forms[0].__VIEWSTATE.name = "NOTVIEWSTATE";
	document.forms[0].action = s;
	document.forms[0].submit();
}

function validname(id){
    var valid = false;
    
    var str=document.getElementById(id).value;

    if ((str=="") || (str==null)) {
        if ((id.indexOf("txtmname") != -1) || (id.indexOf("mName") != -1) || (id.indexOf("txtaddmiddlename") != -1) ||
            (id.indexOf("txtmiddlename") != -1) ) 
        {
            valid = true;
        }
    }
    else {
        var regExp = new RegExp("^[A-Za-z '-]*","g");
        var output = regExp.exec(str);
        if (output == str) {
            valid = true;
        }
    }
    return valid;
}