function numkey()
{
  if (!(event.keyCode>=48 && event.keyCode<=57))
  {
    return false;
  }
}
function floatkey()
{ 
  if ((!(event.keyCode>=48 && event.keyCode<=57)) && (event.keyCode!=46))
  {
    return false;
  }
}
 

//取得窗体中控件的值
function getvalues()
{
   var resultstr="";
   var fieldname,fieldvalue;
   for (i=0;i<document.Form1.elements.length;i++)
   {
      var elname = document.Form1.elements[i].name;
      if (elname.substr(0,2)=="CM")
      {
		 fieldname=elname.substr(2,elname.length);
         fieldvalue=trim(document.Form1.elements[i].value);
         resultstr=resultstr+"<F"+fieldname+"><![CDATA["+fieldvalue+"]]></F"+fieldname+">\n"		 	        
      }
   }
   return resultstr;
} 
 
//取出各个复选框的值 vname:复选框名称
function mycheckvalue(vname){
   var i,tstr;
    tstr="";
   
    for (i=0;i<Form1.elements.length;i++)
    {
      if (Form1.elements[i].name==vname)
        {
          if (Form1.elements[i].checked){
              tstr=tstr+Form1.elements[i].value+","}
         }
      }
      //去除最后一个逗号
     tstr=tstr.substring(0,tstr.length-1);
     return tstr; 
}
	
	// 当上传图片等文件时，往下拉框中填入图片路径，可根据实际需要更改此函数
	function doChange(objText, objDrop){
		if (!objDrop) return;
		var str = objText.value;
		var arr = str.split("|");
		var nIndex = objDrop.selectedIndex;
		objDrop.length=1;
		for (var i=0; i<arr.length; i++){
			objDrop.options[objDrop.length] = new Option(arr[i], arr[i]);
		}
		objDrop.selectedIndex = nIndex;
	}

//取出各个单选框的值 vname:单选框名称
function myradiovalue(vname){
   var i,tstr;
    tstr="";
    for (i=0;i<Form1.elements.length;i++)
    {
      if (Form1.elements[i].name==vname)
        {
          if (Form1.elements[i].checked){
              tstr=Form1.elements[i].value}
         }
      }
 return tstr;
}