/**
 * The functions for cross browser
 */
 
/**
 * Project Constructor
 */
//if browser type not in [IE, Firefox, Chrome, Safari, Opera]
//if(s == null){
  //  isMozilla = true;
//}

/**
 * Attach event
 */
function attachObjEvent(object, eventName, functionName){
    try {
        if (window.attachEvent) {
            object.attachEvent(eventName, functionName);
        }
        else 
            if (window.addEventListener) {
                //remove "on" from eventName
                object.addEventListener(eventName.substr(2), functionName, false);
            }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

/**
 * Detach event
 */
function detachObjEvent(object, eventName, functionNameofEvent){
    try {
        if (window.detachEvent) {
            object.detachEvent(eventName, functionNameofEvent);
        }
        else 
            if (window.removeEventListener) {
                object.removeEventListener(eventName.substr(2), functionNameofEvent, false)
            }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

/**
 * to do the same thing as fireEvent method of IE in Mozilla, i.e onchange,
 * onblur etc.
 */
function fireObjEvent(object, eventName, isFireParent){
    try {
        //CEV2-07-01-02 john.zhong 2013-11-20 S
        if(isSupportFireEventIE) {  //Change the condition 
            object.fireEvent(eventName);
        } else if(isMozilla||isIE11) {
        	  var eventObj = null;
        	  if(isIE11&&isFireParent){
        	  	eventObj = getOpener().document.createEvent("HTMLEvents");
        	  }else{
        	    eventObj = document.createEvent("HTMLEvents");
        	  }
            eventObj.initEvent(eventName.substr(2), false, true);
            object.dispatchEvent(eventObj);
        }
        //CEV2-07-01-02 john.zhong 2013-11-20 E
	}	
   catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

/**
 * Operate selection for removing
 */
function rmSelectOption(selectObj, indexOfOption){
    try {
        if (isMSIE) {
            selectObj.options.remove(indexOfOption);
        }
        else 
            if (isMozilla) {
                selectObj.remove(indexOfOption);
            }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}
//GOUSE ON 25-03-2019 S
function getEvtTarget(evt){
    try {
      
	    if ((isMozilla || isIE11)&& evt) {
            var obj = evt.target;
        }
        else 
            if (isMSIE) {
                var obj = window.event.srcElement;
            }
		//var obj = window.event.srcElement;
        return obj;
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}
//GOUSE ON 25-03-2019 e
/**
 * Get event type
 */
function getEvtType(evt){
    try {
        var sEventType = "";
        if (evt) {
            sEventType = evt.type;
        }
        else 
            if (window.event) {
                sEventType = window.event.type;
            }
        
        return sEventType;
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

/**
 *  get keycode
 */
function getKeyCode(evt){
    try {
        var nKeyCode = -1;
        
        evt = (evt) ? evt : ((event) ? event : null);
        
        if (evt) {
            nKeyCode = (evt.charCode) ? evt.charCode : evt.keyCode;
        }
        
        return nKeyCode;
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

function stopEvent(evt){
    try {
        stopPropagation(evt);
        preventDefault(evt);
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

function stopPropagation(evt){
    try {
        if (evt.stopPropagation) {
            evt.stopPropagation();
        }
        else {
            evt.cancelBubble = true;
        }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

function preventDefault(evt){
    try {
        if (evt.preventDefault) {
            evt.preventDefault();
        }
        else {
            evt.returnValue = false;
        }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

/**
 * get previouse sibling
 *
 * @param   object Node
 */
function getPreviousSibling(oElm){
    try {
        if (oElm.parentNode.previousSibling.nodeType == 3) {
            return oElm.parentNode.previousSibling.previousSibling;
        }
        else {
            return oElm.parentNode.previousSibling;
        }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
    
}

/**
 * get next sibling
 *
 * @param   object Node
 */
function getNextSibling(oElm){
    try {
        if (oElm.parentNode.nextSibling.nodeType == 3) {
            return oElm.parentNode.nextSibling.nextSibling;
        }
        else {
            return oElm.parentNode.nextSibling;
        }
    } 
    catch (e) {
        showExcpt("CrossBrowser", e);
    }
}

//CEV2-DO john.zhong 2009-08-06 S
function getFirstChildElement(parent){
    try {
        var cNode;
        if (parent.nodeType == 1) {
            // if parent is a table object ,
            // then both IE and Mozilla would have a first child called
            // TBODY, all of TR //elements is inside TBODY NOT TABLE, even
            // you didn't specify TBODY //explicitly in your screen.
            // this is to say, for table, we will only return TR objects as
            // its children
            // one more thing, like here, if we got a TR object of a table,
            // we want to get the parent TABLE object, we have to call like:
            // _trObject.parentNode.parentNode;
            if (parent.tagName == "TABLE") {
                var tBodyNodes = parent.tBodies;
                parent = tBodyNodes[0];
                tBodyNodes = null;
            }
            var child = parent.firstChild;
            while (child) {
                if (child.nodeType == 1) {
                    cNode = child;
                    break;
                }
                child = child.nextSibling;
            }
            child = null;
        }
        try {
            return cNode;
        }
        finally {
            cNode = null;
        }
    } 
    catch (E) {
        DisExcpt("CrossBrowser", E);
    }
}

function getElementText(ele){
    try {
        if (ele.textContent) {
            return ele.textContent;
        }//for firefox
        else 
            if (ele.text) {
                return ele.text;
            }//for ie
        return "";
    } 
    catch (E) {
        DisExcpt("CrossBrowser", E);
    }
}

function getNextSiblingElement(currentEle){
    try {
        var next;
        if (currentEle) {
            if (isMSIE) {
                return currentEle.nextSibling;
            }
            else 
                if (isMozilla) {
                    next = currentEle.nextSibling;
                    while (next) {
                        if (next.nodeType == 1) 
                            break;
                        next = next.nextSibling;
                    }
                }
        }
        try {
            return next;
        }
        finally {
            next = null;
        }
    } 
    catch (E) {
        DisExcpt("CrossBrowser", E);
    }
}

//CEV2-DO john.zhong 2009-08-06 E