function gotocluster(s){       
                var d = s.options[s.selectedIndex].value
                if(d){
                        parent.location.href = d
                }
                s.selectedIndex=0
        }

var popUpWin=0;
function popUpWindow(URLStr, width, height) {
if(popUpWin) if(!popUpWin.closed) popUpWin.close();
var left = (screen.width/2) - width/2;
var top = (screen.height/2) - height/2;
popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

imgStack1 = new Image();
imgStack1.src = "images/non_star.gif";
imgStack = new Image();
imgStack.src = "images/star.gif";
function selStar(n) {
	for (i = 1;i <= n;i++) {
		imgNow = document.getElementById("star" + i);
		imgNow.src = imgStack.src;
	}
	for (i = i;i <= 5;i++) {
		imgNow = document.getElementById("star" + i);
		imgNow.src = imgStack1.src;
	}
	document.getElementById("point").value = n;
}


function check_click()
{
if(document.getElementById('agree').checked==true)
{
document.getElementById('submit').disabled = false;
}
else
{
document.getElementById('submit').disabled = true;
} 
}


/************* login ***********/

function validate_login()
{

var dm=document.form1;

if(dm.elements["user"].value==""){	
	alert("Please Enter Your User Name");	
	dm.user.focus();	
	return false;
}	

if(dm.elements["pass"].value==""){	
	alert("Please Enter Your Password");	
	dm.pass.focus();	
	return false;
}	

return true;

}  // end function

/************* end login ***************/


/************ register ************/


function validate_regis()
{

var dm=document.form1;

var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid

if(dm.elements["uname"].value==""){	
	alert("Please enter user name");	
	dm.uname.focus();	
	return false;
}	

if(dm.elements["email"].value==""){	
	alert("Please enter your Email");	
	dm.email.focus();	
	return false;
}	

var str = dm.elements["email"].value;

if (!reg1.test(str) && reg2.test(str))
{ 
// if syntax is valid
   //return true;
}
else
{
alert ("Invalid Email entered. Please check it!");
dm.email.focus();
return false;
}

if(dm.elements["pass"].value==""){	
	alert("Please enter Password");	
	dm.pass.focus();	
	return false;
}	

if(dm.elements["c_pass"].value==""){	
	alert("Please enter Confirm Password");	
	dm.c_pass.focus();	
	return false;
}	

if(dm.elements["pass"].value!="" || dm.elements["c_pass"].value!=""){
if(dm.elements["pass"].value != dm.elements["c_pass"].value){	
alert("Password and Confirm Password don't match");	
return false;
}	
}

if(dm.elements["name"].value==""){	
	alert("Please enter first name");	
	dm.name.focus();	
	return false;
}	

if(dm.elements["l_name"].value==""){	
	alert("Please enter last name");	
	dm.l_name.focus();	
	return false;
}	

if(dm.elements["address"].value==""){	
	alert("Please enter your address");	
	dm.address.focus();	
	return false;
}	

if(dm.elements["city"].value==""){	
	alert("Please enter your city");	
	dm.city.focus();	
	return false;
}	

if(dm.elements["zipcode"].value==""){	
	alert("Please enter your zipcode");	
	dm.zipcode.focus();	
	return false;
}	

if(dm.elements["tel"].value==""){	
	alert("Please enter your telephone");	
	dm.tel.focus();	
	return false;
}	

if(dm.elements["code"].value==""){	
	alert("Please input number");	
	dm.code.focus();	
	return false;
}	

return true;

}  // end function


/********* end register **************/


/*************** forgot password ***********************/

function validate_fg()
{

var dm=document.form1;		
var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid

if(dm.elements["user"].value==""){	
	alert("Please Enter Username");	
	dm.user.focus();	
	return false;
}	

if(dm.elements["email"].value==""){	
	alert("Please Enter Email");	
	dm.email.focus();	
	return false;
}	

var str = dm.elements["email"].value;

if (!reg1.test(str) && reg2.test(str))
{ 
// if syntax is valid
   //return true;
}
else
{
alert ("Invalid Email Entered. Please Check it!");
dm.email.focus();
return false;
}

return true;

}  

/*************** end forgot password ***********************/


/************* contact ***********/

function validate_cont()
{

var dm=document.form1;
var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid

if(dm.elements["name"].value==""){	
	alert("Please Enter Your Name");	
	dm.name.focus();	
	return false;
}	

if(dm.elements["email"].value==""){	
	alert("Please Enter Email");	
	dm.email.focus();	
	return false;
}	

var str = dm.elements["email"].value;

if (!reg1.test(str) && reg2.test(str))
{ 
// if syntax is valid
   //return true;
}
else
{
alert ("Invalid Email Entered. Please Check it!");
dm.email.focus();
return false;
}

if(dm.elements["message"].value==""){	
	alert("Please Enter Your Message");	
	dm.message.focus();	
	return false;
}	

if(dm.elements["code"].value==""){	
	alert("Please Input Number");	
	dm.code.focus();	
	return false;
}	

return true;

}  // end function

/************* end contact ***************/



function expandingWindow(website) {

var heightspeed = 3; // ความเร็วขยายหน้าจอแนวตั้ง

var widthspeed = 7;  // ความเร็วขยายหน้าจอแนวนอน

var leftdist =0;    // ตำแหน่งมุมซ้ายของ หน้าจอ

var topdist =0;     // ตำแหน่งมุมบนของ หน้าจอ 

if (document.all) {

var winwidth = window.screen.availWidth - leftdist;

var winheight = window.screen.availHeight - topdist;

var sizer = window.open("","","left=" + leftdist + ",top=" + topdist + ",width=1,height=1,scrollbars=yes");

for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) {

sizer.resizeTo("1", sizeheight);

}

for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) {

sizer.resizeTo(sizewidth, sizeheight);

}

sizer.location = website;

}

else

window.location = website;

}