//鼠标样式控制
var defaultClassName="m1";
var hoverClassName="m2";
function _hover(isHover,defaultMenu,evt){
var eventSrc=window.event?event.srcElement:evt.target;
var currentMenu=$(defaultMenu);
setTimeout(function(){
if(isHover==true){
eventSrc.className=hoverClassName;
if(eventSrc!=currentMenu)
currentMenu.className=defaultClassName;
}else{
if(eventSrc!=currentMenu)
eventSrc.className=defaultClassName;
currentMenu.className=hoverClassName;
}
},100);
}
function $(id)
{
return document.getElementById(id);
}
//禁止右键函数
//document.write(" ");
//document.write("");
//document.write("");
function checkisnull(obj,msg)
{
if(obj.value=="")
{
alert(msg);
obj.focus();
return false;
}
return true;
}
function entertab()
{
if(event.keyCode == 13)event.keyCode = 9;
}
function checkiszero(obj,msg)
{
if(obj.value==""||obj.value=="0")
{
alert(msg);
obj.focus();
return false;
}
return true;
}
function checkfloat(sId)
{
if(isNaN(sId.value))
{
alert("非法输入，输入格式应该为小数（如：xxxx.xx,123.40）！");
while(isNaN(sId.value))
sId.value=sId.value.substring(0,sId.value.length-1);
return false;
}
}