function sure2(obj){
   
   if(obj.keywords.value ==""){
	alert('Please input the keywords!');
	obj.keywords.focus();
	return false;
   } 

   obj.submit();
}
function sure(obj){
   if(obj.name.value ==""){
	alert('Please Enter Your Name!');
	obj.name.focus();
	return false;
   }
   if(obj.mail.value ==""){
	alert('Please Enter Your Email!');
	obj.mail.focus();
	return false;
   }
   if(obj.dz.value ==""){
	alert('Please Enter Your Address!');
	obj.dz.focus();
	return false;
   }
    if(obj.yj.value ==""){
	alert('Please Enter Your  opinion!');
	obj.yj.focus();
	return false;
   }
    obj.submit();
}
<!--
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_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_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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 changeto(highlightcolor){
source=event.srcElement
if (source.tagName=="TR"||source.tagName=="TABLE")
return
while(source.tagName!="TD")
source=source.parentElement
if (source.style.backgroundColor!=highlightcolor&&source.id!="ignore")
alert
source.style.backgroundColor=highlightcolor
}

function changeback(originalcolor){
if (event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="ignore")
return
if (event.toElement!=source)
source.style.backgroundColor=originalcolor
}
function show()
{
var rng=document.body.createTextRange();
}

function closeall(){
	var i=0;
	while(eval("document.all.item"+i)){
		eval("item"+i+".style.display= 'none'");
		i++;
	}
}

function turnit(ss){
	if(ss.style.display=="none"){
   		closeall();
   		ss.style.display="block";
 	} 
 	else{
   		ss.style.display="none";
    }
}

function ChangeAlpha(ss,value){
	ss.style.filter = "Alpha(Opacity=" + value + ")";
}


function topturnit(ss)
{
topcloseall();
ss.style.display="";
}
function topcloseall()
{
topcloseit(tmenu1); 
topcloseit(tmenu2);
topcloseit(tmenu3);
topcloseit(tmenu4);
topcloseit(tmenu5);


}
function topcloseit(ss)
{
    ss.style.display="none";
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function lio()
 {
 var div1=document.getElementById("2");
 var div2=document.getElementById("3");
 var div3=document.getElementById("4");

 var hm;
 hm=div1.scrollHeight>div2.scrollHeight?div1.scrollHeight:div2.scrollHeight;
 if (hm<400)
   hm=400;
 div1.style.height=hm;
 div2.style.height=hm;
 //div3.style.height=hm;

 }
 
 function expandIt(el) {

        obj = eval("list" + el);
       
        if (obj.style.display == "none") {
           // alert("1111");
			obj.style.display = "block";
		
        }
        else {
         // alert("dfdsf");
		  obj.style.display = "none";


			
        }
		var divCount2 = document.getElementById('all').getElementsByTagName("div");
		//divCount2 = document.all.tags("DIV");

		for (i=0;i<divCount2.length; i++) {
            obj2 = divCount2(i);
            if (obj2!=obj) 
			{obj2.style.display = "none";}
			          
            }
			
}