common.js

又一个新闻发布系统,jsp开发的,想和大家交流一下

var confirmMsg  = '请确认要 ';
var completed=true;

function isEmpty(theelement,formchecking){
  if (!formchecking){
    if (theelement.value=="")
    {
      alert("请输入内容!");
      theelement.focus();
      return false;
    }
    return true;
  }
}

function isInteger(theelement,formchecking){
  if (!formchecking){
    isEmpty(theelement);
    if (!completed) return;
    var inputStr=theelement.value;
    for (var i = 0; i < inputStr.length; i++) {
      var oneChar = inputStr.charAt(i)
      if (i == 0 && oneChar == "-") {
      alert("请输入正确数字 !");
      theelement.value="";
      theelement.focus();
        return;
      }
      if (oneChar < "0" || oneChar > "9") {
        alert("请输入数字 !");
        theelement.focus();
        return;
      }
    }
   return true;
  }
  }

function MM_openBrWindow(theURL,winName,features) 
{ //v2.0
  window.open(theURL,winName,features);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function shownews(xx)
{
var kk=window.open(xx,'','width=720,height=506,left=100,top=20,scrollbars=yes,resizable=no');
kk.focus();
return false;
}

function shownewsb(xx)
{
var kk=window.open(xx,'','width=514,height=506,left=100,top=20,scrollbars=yes,resizable=yes');
kk.focus();
return false;
}

function newwin(url){
eval("window.open('"+url+"','win1','scrollbars=1,resizeable=no,width=514,height=468,left=100,top=20')")
}
    
 
function shownews1(xx)
{
var kk=window.open(xx,'','width=514,height=384,left=100,top=20,scrollbars=yes,resizable=no');
kk.focus();
return false;
}

function confirmLink(theLink, theSqlQuery,xx)
{
    if (confirmMsg == '') {
        return true;
    }

    var is_confirmed = confirm(confirmMsg + ' :\n' + theSqlQuery);
    if (is_confirmed) {
        theLink.href = theLink+'?id='+xx;
    }
    return is_confirmed;
}
             
function setCheckboxes(the_form, do_check)
{
    var elts      = document.forms[the_form].elements['selected_tbl[]'];
    var elts_cnt  = (typeof(elts.length) != 'undefined')
                  ? elts.length
                  : 0;

    if (elts_cnt) {
        for (var i = 0; i < elts_cnt; i++) {
            elts[i].checked = do_check;
        } // end for
    } else {
        elts.checked        = do_check;
    } // end if... else

    return true;
} // end of the 'setCheckboxes()' function


   function delid()
        {
                var length=document.tablesForm.elements.length;
                var chxindex;
                var selItemsString;
                selItemsString="";
      for (var i=(length-1); i>=0; i--)
   {
            chxindex = document.tablesForm.elements[i].name.indexOf("sel");
         {
              if (chxindex>=0)
            {
                if (document.tablesForm.elements(i).checked)
                  {
                 if (selItemsString=="")
                    {
                  selItemsString=document.tablesForm.elements(i).value;
                      }
                    else
                    {
                     selItemsString=selItemsString + "," +document.tablesForm.elements(i).value;
                         }
                      }
                }
                  }
                }
     document.tablesForm.delid.value=selItemsString
        }

       function mode(strmode)
        {
                if (strmode=='del')
                { delid();
             tablesForm.mode.value=strmode;
             tablesForm.submit();
                }
        }