js控件的应用

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<html>  
    <head>  
            <mce:script type="text/javascript"><!--  
                function check(){  
                  if(document.getElementById("begin").value!=""&&document.getElementById("end").value!=""){  
                        var begin = document.getElementById("begin").value.replace(/-/g,"/");  
                        var end = document.getElementById("end").value.replace(/-/g,"/");  
                    if(Date.parse(begin)> Date.parse(end)){  
                            alert("开始时间大于结束时间");  
                        }else 
                            {alert("www.pabana.com"); }  
                    //document.form1.submit();  
                    }  
                    else{alert("www.pabana.com");}  
                }  
              
// --></mce:script>  
            </head>  
            <body>  
                <form name="form1" id="form1">  
                    输入格式为yyyy-MM-dd  
                    <hr>  
                    开始时间<input type="text" name="begin" id="begin">  
                    结束时间<input type="text" name="end" id="end">  
                    <input type="button" value="提交" onclick="check()">  
             </form>  
            </body>  
      
</html>