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/**
* ¸¨ÖúÀà
* @author leeyee
* @blog blog.csdn.net/oxcow
* @email seadlead@gmail.com
* @data 2010-4
*/
/**
* ´´½¨DOMÔªËØ
*
* @param sTagName
* ÔªËØÃû
* @param sTagId
* ÔªËØID
* @param sText
* ÔªËØÎı¾
* @return DOMÔªËØ¶ÔÏó
*/
function createElement(sTagName, sTagId, sText) {
var oElement = document.createElement(sTagName);
if (sTagId != null) {
oElement.setAttribute("id", sTagId);
}
if (sText != null) {
oElement.appendChild(document.createTextNode(sText));
}
return oElement;
}
function RandomEventUtils() {
}
/**
* µÃµ½´ÓÁãµ½NµÄËæ»úÕûÊý
*
* @param iN
* ×î´óÕûÊý
* @return 0-iNµÄËæ»úÕûÊý
*/
RandomEventUtils.getIntRandomNumfromZeroToN = function(iN) {
var iR = Math.random() * iN;
return Math.round(iR);// ÉáβȡÊý
};
/**
* »ñȡij¸öÔªËØÔÚÊý×éÖеÄλÖÃ
*
* @param vItem
* Ä¿±êÔªËØ
* @return Ä¿±êÔªËØÔÚÊý×éÖеÄË÷Òý
*/
Array.prototype.indexOf = function(vItem) {
for ( var i = 0; i < this.length; i++) {
if (vItem == this[i]) {
return i;
}
}
return -1;
};
/**
* »ñÈ¡Êý×éµÄ³¤¶È¡£²»°üÀ¨undefinedÔªËØ
*
* @return
*/
Array.prototype._length = function() {
var __len = 0;
for ( var i = 0; i < this.length; i++) {
if (this[i] != undefined) {
__len++;
}
}
return __len;
};
/**
* Çå³ýÊý×éÖеÄundefinedÔªËØ
*
* @return Êý×éÇå³ýºóµÄÊý×飨Êý×鳤¶È¸Ä±ä£©
*/
Array.prototype.cleanUndefinedElement = function() {
for ( var i
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