function ajax(url,data){
	  var urls=url;
	  var datas=data;;
	  $.ajax({
		 url: urls,
		 type:'POST',
		 dataType:'html',
		 data:datas,
		 success:function(msg){
		   	$(classname).html(msg);
		 }
	  });	
}
function checkid(id,htmltxt,root){
     var f_id=id;
	 var f_html=htmltxt;
     if($.trim($('#'+f_id).val()).length==0)$('.'+f_id).html('<font color="red">'+f_html+'</font>');
	 else $('.'+f_id).html('<img src="'+root+'lib/images/ok.gif" />');
}

function checkclass(str){
   var strs=str;
   var arr=$.trim(strs).split(',');
   for(var i=0;i<arr.length;i++){
       if($('.'+arr[i]).html().match('color'))return false;
   }
   return true;
}
function size(name,dsize,danwei,dongzuo){
	var defsize=dsize;
	var size=parseInt(document.getElementById(name).style.fontSize);
	if(isNaN(size)){size=defsize;}
	if(dongzuo=='b')
		document.getElementById(name).style.fontSize=(size+1)+danwei;
	else
		document.getElementById(name).style.fontSize=(size-1)+danwei;
}

function oclick(form,name){
	eval('document.'+form+'.'+name).value='';
}


function show(name,id,total){
  for(var i=0;i<total;i++){
    if(i+1!=id)eval(document.getElementById(name+(i+1))).style.display='none';
  }
  eval(document.getElementById(name+id)).style.display='block';
}