/*

IsEnLetter(string,string): 测试字符串，大小写 (UL,U,L or ul,u,l)

*/

function IsEnLetter(objStr,size)

{

    var reg;

   

    if(Trim(objStr)=="")

    {

        return false;

    }

    else

    {

        objStr=objStr.toString();

    }   

   

    if((size==null)||(Trim(size)==""))

    {

        size="UL";

    }

    else

    {

        size=size.toUpperCase();

    }

   

    switch(size)

    {

        case "UL":

            // 大小写

            reg=/^[A-Za-z]+$/;

            break;

        case "U":

            // 大写

            reg=/^[A-Z]+$/;

            break;

        case "L":

            // 小写

            reg=/^[a-z]+$/;

            break;

        default:

            alert(" 检查大小写参数，只可为 ( 空、 UL 、 U 、 L)");

            return false;

            break;

    }

   

    var r=objStr.match(reg);

    if(r==null)

    {

        return false;

    }

    else

    {       

        return true;    

    }

}

 

 

/*

================================================================================

功能：鼠标小提示

作者：申旺

日期： 2004/04/15

================================================================================

*/

 

// 定义变量、设置默认值

var LabelFontFace=" 宋体 ,arial,Verdana";

var LabelFontColor="#000000";

var LabelFontSize="9pt";

var LabelFontStyle="Font.PLAIN";

var LabelBorderColor="#000000";

var LabelBackColor="#FFFFE1";

 

// 设置各个属性

function SetLabelFontFace(obj)

{

       obj=Trim(obj);

       if(obj==null || obj=="")

       {

              obj=" 宋体 ,arial,Verdana";

       }

       LabelFontFace=obj;

}

 

function SetLabelFontColor(obj)

{

    obj=Trim(obj);

       if(obj==null || obj=="")

       {

              obj="#000000";

       }

       LabelFontColor=obj;

}

 

function SetLabelFontSize(obj)

{

    obj=Trim(obj);

       if(obj==null || obj=="")

       {

              obj="9pt";

       }

       LabelFontSize=obj;

}

 

function SetLabelFontStyle(obj)

{

    obj=Trim(obj);

       if(obj==null || obj=="")

       {

              obj="Font.PLAIN";

       }

       LabelFontStyle=obj;

}

 

function SetLabelBorderColor(obj)

{

    obj=Trim(obj);

    if(obj==null || obj=="")

    {

        obj="#000000";

    }

    LabelBorderColor=obj;

}

 

function SetLabelBackColor(obj)

{

    obj=Trim(obj);

    if(obj==null || obj=="")

    {

        obj="#FFFFE1";

    }

    LabelBackColor=obj;

}

 

// 合成文字样式

function SetTextStyle(str)

{

    var strRet="";

   

    var strStyle="";

   

    strStyle="font-family:"+LabelFontFace+";";

    strStyle+="color:"+LabelFontColor+";";

    strStyle+="font-size:"+LabelFontSize+";";

   

    switch(LabelFontStyle.toLowerCase())

    {

        case "font.plain":

            strStyle+="font-weight: normal;";

            strStyle+="font-style: normal;";

            break;

        case "font.bold":

            strStyle+="font-weight: bold;";

            strStyle+="font-style: normal;";

            break;

        case "font.italic":

            strStyle+="font-weight: normal;";

            strStyle+="font-style: italic;";

            break;

        case "font.italicbold":

        case "font.bolditalic":

            strStyle+="font-weight: bold;";

            strStyle+="font-style: italic;";

            break;

        default:

            strStyle+="font-weight: bold;";

            strStyle+="font-style: italic;";

            break;

    }

   

    strRet="<font style='"+strStyle+"'>";

    strRet+="&nbsp;"+str+"&nbsp;";

    strRet+="</font>";

   

    return strRet;

}

 

// 合成表格样式

function SetTableStyle()

{

    var strRet="";

   

    strRet+="border-right: "+LabelBorderColor+" 1px solid;";

    strRet+="border-top: "+LabelBorderColor+" 1px solid;";

    strRet+="border-left: "+LabelBorderColor+" 1px solid;";

    strRet+="border-bottom: "+LabelBorderColor+" 1px solid;";

    strRet+="background-color:"+LabelBackColor;   

   

    return strRet;

}

 

// 显示提示

function ShowNote(str)

{

       var strHtml;

      

       strHtml="";

       strHtml+="<table height=1px width=1px border='0'cellspacing='0' cellpadding='0' style='" + SetTableStyle() + "'>";

       strHtml+="<tr>";

       strHtml+="<td>"+SetTextStyle(str)+"</td>";

       strHtml+="</tr>";

       strHtml+="</table>";                          

      

       if (document.all&&document.readyState=="complete")

       {                                       

              document.all.div_Note.innerHTML=strHtml;

              document.all.div_Note.style.pixelLeft=event.clientX+document.body.scrollLeft+10

              document.all.div_Note.style.pixelTop=event.clientY+document.body.scrollTop+10

              document.all.div_Note.style.visibility="visible"

       }    

}

 

// 隐藏提示

function HideNote()

{

       if (document.all)

       {

              document.all.div_Note.style.visibility="hidden";

       }

       else

       {

              if (document.layers)

              {

                     clearInterval(currentscroll)

                     document.div_Note.visibility="hidden";

              }

       }                                

}

 

// 初始化

function Init()

{

    window.document.write("<div id=\"div_Note\" style=\"VISIBILITY:hidden; POSITION:absolute; HEIGHT:13px;z-index:1\"></div>");

}

Init();

 

// 生成提示字符

function ShowLabel(text,note,bclick)

{

       if(bclick!=null)

       {

              return "<a href=\"#\" onMouseOver=\"ShowNote('" + note + "')\" onMouseOut=\"HideNote()\" onClick=\"JavaScript:DoSomeThing(this);\">" + text + "</a>";

       }

       else

       {

           return "<a href=\"#\" onMouseOver=\"ShowNote('" + note + "')\" onMouseOut=\"HideNote()\">" + text + "</a>";

       }

}

 

 

 

测试页面：

<HTML>

    <HEAD>

        <title>Common JavaScript</title>

              <script language="javascript" src="./Common.js"></script>

        <script language="javascript">     

                     function CheckInt()

                     {

                            iptResult.value=IsInt(iptTest.value,iptSign.value,iptZero.value);

                     }

                    

                     function CheckFloat()

                     {

                            iptResult.value=IsFloat(iptTest.value,iptSign.value,iptZero.value);

                     }

                    

                     function CheckLetter()

                     {

                            iptResult.value=IsEnLetter(iptTest.value,iptSign.value);

                     }

                     document.write(ShowLabel("TEST","Only a testing!"));

                     document.write("<br>");

              </script>

        <meta http-equiv="expires" content="0">       

    </HEAD>

    <body>   

     <input type=text value="" id="iptTest"><input type=button value="IsEmpty" onclick="IsEmpty('iptTest');">

     <input type=button value="CheckInt" onclick="CheckInt()">

        <br>

     <input type=text value="" id="iptSign" NAME="iptSign"><input type=button value="CheckFloat" onclick="CheckFloat()">

        <br>

     <input type=text value="" id="iptZero" NAME="iptZero"><input type=button value="CheckLetter" onclick="CheckLetter()">    

     <br>

     <input type=text value="" id=iptResult disabled=true>

    </body>

</HTML>