//获取元素
var $ = function(id) {
	return document.getElementById(id)
};

// 链接
var win = function (url) {
	window.location=url;
}

var del = function (entityName, action) {
	 if (confirm("确定要删除" + entityName + "?")) {
		 if (!oneCheck()) {
	         alert('请至少选择一' + entityName + '！');
	         return;
	     }
	 }
	 var form = document.forms.ec;
     form.action = action;
     var newElement = document.createElement("input");
     newElement.setAttribute("name","entityName");
     newElement.setAttribute("type","hidden");
     newElement.setAttribute("value",entityName);
     form.appendChild(newElement);
     form.submit();
}

function oneCheck() {
    var items = document.getElementsByName("itemlist");
    if(items.length>0){
	    for (var i = 0; i < items.length; i++) {
	        if (items[i].checked == true) {
	            return true;
	        }
	    }
	}else{
		if(items.checked == true){
			  return true;		   	 
		}
	}
    return false;
}
function execute (entityName, action) {
    if (confirm("确定要" + entityName + "?")) {
        if (!oneCheck()) {
            alert('请至少选择一' + entityName + '！');
            return;
        }
        var form = document.forms.ec;
        form.action = action;
        var newElement = document.createElement("input");
        newElement.setAttribute("name","entityName");
        newElement.setAttribute("type","hidden");
        newElement.setAttribute("value",entityName);
        form.appendChild(newElement);
        form.submit();
    }
}

function  checkIsNumber(oObject){          
	  if(oObject.value   ==   "")                   
	      return   true;   
	  var re = /^-?[1-9]*(\.\d*)?$|^-?d^(\.\d*)?$/;
	  if(re.test(oObject.value))                                   
	      return   true;                   
	  else{                                                                  
	      return   false;                   
	  }
}

function  checkIsInt(oObject){          
	  if(oObject.value   ==   "")                   
	      return   true;   
	  var re = /^(\d)+$/;
	  if(re.test(oObject.value))                                   
	      return   true;                   
	  else{                                                                  
	      return   false;                   
	  }
}