function CheckFeedbackForm(){

	if(document.FeedbackForm.guestname.value==""){
		alert("Please specify your name!");
		return false;
	}

	if(document.FeedbackForm.guestcompany.value==""){
		alert("Please specify your company!");
		return false;
	}

	if(document.FeedbackForm.guestemail.value==""){
		alert("Please specify your email!");
		return false;
	}
	if(document.FeedbackForm.f_country.value==""){
		alert("Please specify your   country!")
		return false;
	}

	//if(document.FeedbackForm.guestphone1.value==""){
		//alert("Please specify your phone number!");
		//return false;
	//}

	//if(document.FeedbackForm.guestphone2.value==""){
	//	alert("Please specify your phone number!");
	//	return false;
	//}

	//if(document.FeedbackForm.guestphone3.value==""){
	//	alert("Please specify your phone number!");
	//	return false;
	//}

	//if(document.FeedbackForm.guestfax1.value==""){
	//	alert("Please specify your fax number!");
	//	return false;
	//}

	//if(document.FeedbackForm.guestfax2.value==""){
	//	alert("Please specify your fax number!");
	//	return false;
	//}

	//if(document.FeedbackForm.guestfax3.value==""){
	//	alert("Please specify your fax number!");
	//	return false;
	//}

	if(document.FeedbackForm.guestmessage.value==""){
		alert("Please specify your message!");
		return false;
	}

	if(!isemail(document.FeedbackForm.guestemail.value)){
		alert("Please input a valid email address!");
		return false;
	}

	return true;

}

function CheckSubscriber(){

	if(document.SubscriberForm.sname.value==""){
		alert("Please specify your name!");
		return false;
	}

	if(document.SubscriberForm.semail.value==""){
		alert("Please specify your email address!");
		return false;
	}

	if(!isemail(document.SubscriberForm.semail.value)){
		alert("Please input a valid email address!");
		return false;
	}

	if(document.SubscriberForm.scompany.value==""){
		alert("Please specify your company");
		return false;
	}

	return true;

}


function isemail (s)
{
    var regu = "^(([0-9a-zA-Z]+)|([0-9a-zA-Z]+[_.0-9a-zA-Z-]*[0-9a-zA-Z]+))@([a-zA-Z0-9-]+[.])+([a-zA-Z]{2}|net|NET|com|COM|gov|GOV|mil|MIL|org|ORG|edu|EDU|int|INT)$"
    var re = new RegExp(regu);
    if (s.search(re) != -1) {
	    return true;
    } else {
    	return false;
    }
}

function selectAll()
{
       var arrObj=document.getElementsByName("pSelected");
       var allObj=document.getElementsByName("allSelected");
       if(allObj[0].checked){
       	for(var i=0;i<arrObj.length;i++){
       		arrObj[i].checked = true;
       	}
       }else{
       	for(var i=0;i<arrObj.length;i++){
       		arrObj[i].checked = false;
       	}
       }
 }
  function CheckSearch2()
{
    if(event.keyCode==13)
    {
        if(document.SearchForm.KeyWords.value!="")
        {
            document.SearchForm.submit();
        }
    }
}
function cl(p){
    p.value="";
}
function CateShow(t,num,id){
	var c=t.src;

	num=num+1;
	if(num>3) return;
	if(c.indexOf("close")!=-1){
		t.src="/images/menu_open.gif";
		$("#"+id+" .u"+num).css("display","block");
	}else{

		t.src="/images/menu_close.gif";
		$("#"+id+" .u"+num).css("display","none");
	}
}
function cateInit(){
	try{
		var c=$(".category .current");
		c=c[0];
		var p=c.parentNode;
		while(p!=null){
			p.style.display="block";


			if(p.tagName=="LI"){
				$("#"+p.id+"/img")[0].src="/images/menu_open.gif";
			}
			if(p.className=="category"){
				break;
			}
			p=p.parentNode;
		}
		/*
		p=c.parentNode;
		if(p.tagName=="LI"){
				$("#"+p.id+" .u2").css("display","block");
				if(p.className=="l2"){
					$("#"+p.id+" .u3").css("display","block");
				}
		}
		*/
	}catch(e){}

}

function showProDes(id,len){
	for(var i=0;i<len;i++){
		if(i==id){
			document.getElementById("proDesTitle"+i).className="desTitleSelect";
			document.getElementById("proDesContent"+i).className="desContentSelect";
		}else{
			document.getElementById("proDesTitle"+i).className="desTitleHide";
			document.getElementById("proDesContent"+i).className="desContentHide";
		}
	}

}

function checkDate(){
var  companyName=document.getElementById("companyName").value;
var  name=document.getElementById("name").value;
var  address=document.getElementById("address").value;
var  duty=document.getElementById("duty").value;
var  phone=document.getElementById("phone").value;
var  email=document.getElementById("email").value;

if(companyName==""){
   alert("公司名称不可为空！");
   return false;
} else
      if(name==""){
      alert("姓名不可为空！");
      return false;
      }
        else
         if(address==""){
          alert("地址不可为空！");
          return false;
                      }
              else
             if(duty==""){
                 alert("职位不可为空！");
                 return false;
                      }
                       else
                 if(phone==""){
                 alert("电话不可为空！");
                 return false;
                      }
                      else
                           if(email==""){
                              alert("电子邮件不可为空！");
                                  return false;
                                     }
                                     else
                                       if(!isemail(email)){
                                        alert("必须为合法电子邮件！");
                                        return false;
                                       }
     return  true;

}

function checkTechnicsDate(){
var  companyName=document.getElementById("companyName").value;
var  name=document.getElementById("name").value;
var  address=document.getElementById("address").value;
var  duty=document.getElementById("duty").value;
var  phone=document.getElementById("phone").value;
var  question=document.getElementById("question").value;
var  email=document.getElementById("email").value;
var step=document.getElementById("step").value;

if(companyName==""){
   alert("公司名称不可为空！");
   return false;
   } else
      if(name==""){
         alert("姓名不可为空！");
         return false;
        }
          else
            if(address==""){
             alert("地址不可为空！");
              return false;
                      }
                else
                 if(duty==""){
                    alert("职位不可为空！");
                    return false;
                      }
                       else
                      if(phone==""){
                       alert("电话不可为空！");
                        return false;
                         }
                          else
                        if(question==""){
                            alert("请输入工艺问题");
                             return false;
                           }
                        else
                          if(step==-1){
                         alert("请选择工艺步数！");
                           return false;
                                       }
                                     else
                               if(email==""){
                              alert("电子邮件不可为空！");
                                  return false;
                                     }
                                     else
                                       if(!isemail(email)){
                                        alert("必须为合法电子邮件！");
                                        return false;
                                       }

                   getTechnicsStep();
                   return  true;

}

function selectStep(){
var step=document.getElementById("step").value;
  if(step!=-1){

var step=document.getElementById("step").value;

  for( i=1;i<=10;i++){

  document.getElementById("show"+i).style.display="none";
                       }
   for( i=1;i<=step;i++){

  document.getElementById("show"+i).style.display="";
          }
    }else{

    for( i=1;i<=10;i++){

   document.getElementById("show"+i).style.display="none";
                       }
    alert("请选择工艺步数！");
    }
}

function getTechnicsStep(){

   var step=document.getElementById("step").value;
   var  str="";
   var  ss="";
  for( i=1;i<=step;i++){
  ss=document.getElementById("step"+i).value;
  ss="第"+i+"步："+ss+" ";
  str=str+ss;
          }
    document.getElementById("technicsStep").value=str;

}