function Inint_AJAX() {
   try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
   try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
   alert("XMLHttpRequest not supported");
   return null;
}

function handleEnter (field, event)
{
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
	if (keyCode == 13)
	{
		var i;
		for (i = 0; i < field.form.elements.length; i++)
			if (field == field.form.elements[i])
				break;
		i = (i + 1) % field.form.elements.length;
		field.form.elements[i].focus();
		return false;
	} 
	else
	return true;
}

function chk_report_1()
{
	var v1 = document.FRegister.start_date.value;
	var v2 = document.FRegister.end_date.value;
	var v3 = document.FRegister.cid.value;
	if ( v1.length==0)
	{
		alert("¡ÃسҡÓ˹´Çѹ·ÕèàÃÔèÁµé¹");    
		return false;
	}else if (v2.length==0){
		alert("¡ÃسҡÓ˹´Çѹ·ÕèÊÔé¹ÊØ´");
		return false;
	}else if ( v3.length==0){
		alert("¡ÃسÒÃкØÃËÑʾ¹Ñ¡§Ò¹");
		document.FRegister.cid.focus();    
		return false;
	}else if (v3.length<6){
		alert("ÃËÑʾ¹Ñ¡§Ò¹ µéͧÁÕ 6 ËÅÑ¡");
		document.FRegister.cid.focus();    
		return false;
	}else{
		return true;
	}
}

function sw_img(n,s,t){
	document.getElementById(n).src=s;
	//document.getElementById("msg").innerHTML="<table cellpadding='0' cellspacing='0' border='0'><tr><td><img src='img/bu.jpg' border='0'></td><td valign='middle'>"+t+"</td></tr></table>";
	document.getElementById("msg").innerHTML="<img src='img/bu.jpg' border='0' align='absmiddle'> "+t;
}
function sw_img2(n,s,t){
	document.getElementById(n).src=s;
	document.getElementById("msg2").innerHTML=t;
}

function cl_img(n,s){
	document.getElementById(n).src=s;
	document.getElementById("msg").innerHTML="";
}
function cl_img2(n,s){
	document.getElementById(n).src=s;
	document.getElementById("msg2").innerHTML="";
}