function isSure(url){
	if(window.confirm("Are you sure to delete?"))
	{
	     window.location.href=url;
	}
	else
	{
	     // alert( "operation   2 ");
	}
}

function productform(){
	var objPid=$("#cProductCg");
	if(objPid.val()=="" || objPid.val()=="SELECTED" || objPid.val()==0){ 
		alert("Please select a products category."); 
		objPid.focus();
	    return false;
	}
	}

function formcontactus(){
	var reg10 = /^\d{10}$/;
	 var regmail = /^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
	var username=$("input[name='username']");
	var jobtitle=$("input[name='jobtitle']");
	var companyname=$("input[name='companyname']");
	var companyaddress=$("input[name='companyaddress']");
	var phone=$("input[name='phone']");
	var fax=$("input[name='fax']");
	var email=$("input[name='email']");
	var howwebsite=$("input[name='howwebsite']");
	var comments=$("input[name='comments']");

   if(username.val() ==''){ alert("Name cannot be empty.");username.focus(); return false; }
   if(jobtitle.val()==''){alert("Job Title cannot be empty."); jobtitle.focus(); return false;}
   if(companyname.val() ==''){ alert("Company name cannot be empty.");companyname.focus(); return false; }
   if(companyaddress.val()==''){alert("Company address cannot be empty."); companyaddress.focus(); return false;}
   if(phone.val() ==''){ alert("Phone cannot be empty.");phone.focus(); return false; }
   if(fax.val()==''){alert("fax cannot be empty."); fax.focus(); return false;}
   if(comments.val() ==''){ alert("comments cannot be empty."); comments.focus(); return false; }

	if(email.val()==""){alert("Email cannot be empty."); email.focus(); return false;}
	if(!regmail.test(email.val())){
	  alert("The form of email is not correct.");
	  email.focus();
	  return false;
	} 
	//alert("Congratulations！ You have registered successfully");
	return true;
	
}