<!--
function isEmail (obj)
{   
		var i = 1;
		var t = true;
		var sLength = obj.value.length;
		while ((i < sLength) && (obj.value.charAt(i) != "@"))
		{ 
			i++;
		}
		if ((i >= sLength) || (obj.value.charAt(i) != "@"))
			t = false;
		else i += 2;
		while ((i < sLength) && (obj.value.charAt(i) != "."))
		{ 
			i++;
		}
		if ((!t) || (i >= sLength - 1) || (obj.value.charAt(i) != "."))
		{
			return 1
		} 		
}

//***********************************
function checkxoa(){ 
    string='';ok=false;$dem=0;
   ins=document.getElementsByName('del[]');    	
	for (i=0;i<ins.length;i++)
	{  if(ins[i].checked) {	   $dem++;
	    string +=  ins[i].value + ",";
		ok=true;		
	  }	
	}	
    window.document.location=href="./?view=dathang&idxoa=" + string
	return true;
} 
//***********************************************
function CheckForm(){ 
    string='';ok=false;$dem=0;
   ins=document.getElementsByName('del[]');    
	for (i=0;i<ins.length;i++)
	{  if(ins[i].checked) {	   $dem++;
	    string +=  ins[i].value + ",";
		ok=true;		
	  }	
	}	


	if ($dem>4)   {
      alert(vntext("Ch&#7881; &#273;&#432;&#7907;c so s&#225;nh t&#7889;i &#273;a 4 SP !"));
	return false;   
   }	
	if (ok==false)	{
	  alert(vntext("B&#7841;n ph&#7843;i ch&#7885;n s&#7843;n ph&#7849;m &#273;&#7875; so s&#225;nh !"));
	  return false;
	 } 
	else if ($dem<2 && ok==true) {
	  alert(vntext("B&#7841;n ph&#7843;i ch&#7885;n &#237;t nh&#7845;t 2 s&#7843;n ph&#7849;m &#273;&#7875; so s&#225;nh!")); 
	  return false;	}  
	else if (ok==true)	
 		window_open('includes/mb_ss.php?idsp='+string ,800,600,'yes','normal');     
    return true ; 
} 
//***********************************************
//***********************************************
function CheckFormpk(){ 
    string='';ok=false;$dem=0;
   ins=document.getElementsByName('del[]');    
	for (i=0;i<ins.length;i++)
	{  if(ins[i].checked) {	   $dem++;
	    string +=  ins[i].value + ",";
		ok=true;		
	  }	
	}	
	if ($dem>4)   {
    alert(vntext("Ch&#7881; &#273;&#432;&#7907;c so s&#225;nh t&#7889;i &#273;a 4 SP !"));
	return false;   
   }	
	if (ok==false)	{
	  alert(vntext("B&#7841;n ph&#7843;i ch&#7885;n s&#7843;n ph&#7849;m &#273;&#7875; so s&#225;ch !"));
	  return false;
	 } 
	else if ($dem<2 && ok==true) {
	  alert(vntext("B&#7841;n ph&#7843;i ch&#7885;n &#237;t nh&#7845;t 2 s&#7843;n ph&#7849;m &#273;&#7875; so s&#225;ch!")); 
	  return false;	}  
	else if (ok==true)	
 		window_open('includes/m_sspk.php?idsp='+string ,800,600,'yes','normal');     
    return true ; 
} 
//***********************************************
function Checkxempp(id){ 
 		window_open('includes/mb_viewbl.php?idpp='+id ,600,500,'yes','normal');     
    return true ; 
} 
//***********************************************
function Checkxem(id){ 
 		window_open('includes/mb_xbl.php?idsp='+id ,600,500,'yes','normal');     
    return true ; 
} 
//***********************************************checktimnhanh

/*function Checktim(){  	
	if (document.frmtim.txtten.value=='')
	{
		 alert(vntext("B&#7841;n ph&#7843;i nh&#7853;p n&#7897;i dung c&#7847;n t&#236;m !"));
		 document.frmtim.txtten.focus();
		 return false;
	}
	document.frmtim.submit();
    return true ; 
} */
function Checktim(){  	
	if(document.frmtim.txtten.value==''){
					alert('Chua nh?p t? khoá c?n těm!');
					document.frmtim.txtten.focus();
					return false;				
				}
				document.txtten.submit();
				return true;
			}
//***********************************************
function checktimnhanh()
{ 
    if (document.timnhanh.selnsx.value=='0' && document.timnhanh.selksp.value=='0' && document.timnhanh.selgia.value=='0')
	{	
	 	 alert(vntext("B&#7841;n ph&#7843;i ch&#7885;n &#273;i&#7873;u ki&#7879;n c&#7847;n t&#236;m !"));
		 document.timnhanh.selnsx.focus();
		 return false;
	}
	document.timnhanh.submit();
    return true ; 
} 
//***********************************************
function On_Click(m)
   {
     document.location.href='./?view='+m;
   }
 //***********************************************
function On_ClickSub(m,n)
   {
  
	 document.location.href='./?view='+m+'&id='+n;
   } 
 function On_ClickSubsub(m,n,k)
   {
     document.location.href='./?view='+m+'&ID='+n +'&IDL='+k;
   }  
//*********************************************** 
 function On_Clickone()
   {
   
     document.location.href='./';
   }
//***********************************************
function check()
{
	   if (document.frmBT.txtemail.value=='')
	   {
	     alert(vntext("B&#7841;n ph&#7843;i nh&#7853;p &#272;&#7883;a ch&#7881; email "));
		 document.frmBT.txtemail.focus();
		 return false;
	   }
	   
	   if (document.frmBT.txtemail.value!='' && isEmail(document.frmBT.txtemail))
	{
	   alert(vntext("Email Kh&#244;ng h&#7907;p l&#7879; !"))
	   document.frmBT.txtemail.focus()
	   return false
	}	
	   
	   if (document.frmBT.txtnoidung.value=='')
	   {
	     alert(vntext("B&#7841;n ph&#7843;i nh&#7853;p n&#7897;i dung"));
		 document.frmBT.txtnoidung.focus();
		 return false;
	   }
	   document.frmBT.submit();
	   return true;
}
//***********************************************
function ValidateForm()
{  
   ins=document.getElementsByName('del[]'); 
  if (ins.length==0)
  {
      alert(vntext("B&#7841;n ph&#7843;i ch&#7885;n m&#7863;t h&#224;ng c&#7847;n mua  !"));	
	  return false;
  }
	if (document.frm.txtten.value=='')
	{
	   alert(vntext("b&#7841;n ph&#7843;i nh&#7853;p h&#7885; t&#234;n  !"));
	   document.frm.txtten.focus();
	   return false
	}
	
	
	if (document.frm.txtdiachi.value=='')
	{
	   alert(vntext("b&#7841;n ph&#7843;i nh&#7853;p &#273;&#7883;a ch&#7881; !"));
	   document.frm.txtdiachi.focus();
	   return false
	}
	
	if (document.frm.txtdienthoai.value=='')
	{
	   alert(vntext("b&#7841;n ph&#7843;i nh&#7853;p &#273;i&#7879;n tho&#7841;i !"));
	   document.frm.txtdienthoai.focus();
	   return false
	}
	if (document.frm.txtemail.value=='')
	{
	   alert(vntext("b&#7841;n ph&#7843;i nh&#7853;p Email !"));
	   document.frm.txtemail.focus();
	   return false
	}
	
	if (document.frm.txtemail.value!='' && isEmail(document.frm.txtemail))
	{
	   alert(vntext("Email không h&#7907;p l&#7879;"))
	   document.frm.txtemail.focus()
	   return false
	}	
	document.frm.submit();	
	return true; 
   
 }

//-->