var isIE=(document.all)?true:false
var isNav=(document.layers)?true:false
var done
if(isIE)done="Done"
else done="Document: Done"

//Remove string c from string s
function removestr(s,c){
	if(s.indexOf(c)==-1)return s
	return s.substring(0,s.indexOf(c))+s.substring(s.indexOf(c)+c.length,s.length)
}
//pic05.gif --> return 5
function denum(s){
	return s.substring(s.length-5,s.length).substring(0,1)
}

function setCookie(name,value,expire){
	var dt=new Date()
	if(expire==1)expire=new Date(dt.getDate()+"/"+dt.getMonth()+"/"+(dt.getFullYear()+1))//expire in 1 year
	document.cookie=name+"="+escape(value)+((udf(expire))?"":("; expires="+expire.toGMTString()))
}

function getCookie(Name){
   var search=Name+"="
   if(document.cookie.length>0){
      offset=document.cookie.indexOf(search)
      if(offset!=-1){
         offset+=search.length
         end=document.cookie.indexOf(";", offset)
         if(end==-1)
            end=document.cookie.length
         return unescape(document.cookie.substring(offset, end))
      }
   }
}
function greeting(){
	d('สวัสดีครับ')
}
function max(x,y){
	if(x>y)return x
	return y
}
function min(x,y){
	if(x<y)return x
	return y
}
function d(x){
	document.write(x)
}
function br(){
	d("<BR>")
}
//Check if x is integer, if signed is true, check for both negative and positive, otherwise check only positive
function isInt(x,signed){
	x=1*x
	return isFloat(x,signed) && (Math.floor(x)==x)
}
//Check if x is float, if signed is true, check for both negative and positive, otherwise check only positive
function isFloat(x,signed){
	x=1*x
	if(udf(signed))signed=false
	if(isNaN(x))return false
	if(!signed && x<0)return false
	return true
}
//Check for undefined
function udf(x){
	x=""+x
	if(x=="undefined")return true
	else return false
}
function formatnumber(num,f){
	if(udf(f))f=2
	var i,t
	t="1";
	for(i=0;i<f;i++)t+="0";
	t=1*t;
	num=Math.round(num*t)/t;
	var s=""+num;
	var r;
	if(s.indexOf(".")!=-1){
		r=s.substring(0,s.indexOf("."));
		s=s.substring(s.indexOf("."),s.length);
	}else{r=s;s=".0000";}
	var l,r2="";
	while(r.length>3){
		l=r.length;
		if(l>=3)r2=","+r.substring(r.length,r.length-(3))+r2;
		r=r.substring(0,r.length-(3));
	}
	s=r+r2+s;
	var t="0";
	for(i=f;i>0;i--){
			if(s.indexOf(".")==s.length-i)s+=t;
			t+="0";
	}
	if(s.indexOf(".")<=s.length-(f+2))s=s.substring(0,s.indexOf(".")+(1+f));
	if(f==0)s=s.substring(0,s.length-1)
	return s;
}
//Round x to baht currency
function baht(x){
if(isNaN(x)!=true){
	var price=""
	if(x.indexOf(".")!=-1){
		c=x.substring(x.indexOf("."),x.length)
		b=formatnumber(c,2)
		b=b.substring(b.indexOf(".")+1,b.length)
		a=x.substring(0,x.indexOf("."))
	}
	else{a=x;b=""}
	if((b>0)&&(b<=25)) price=a+".25"
	else if((b>25)&&(b<=50)) price=a+".50"
	else if((b>50)&&(b<=75)) price=a+".75"
	else if((b>75)&&(b<=99)||(b==0)) price=(a*1+1)
	else price=a}
	return price=formatnumber(price,2)
}
//Split string x to array with delimiter de
function split(x,de){
	var temp=new Array
	var i=0
	while(x.indexOf(de)!=-1){
		temp[i++]=x.substring(0,x.indexOf(de))
		x=x.substring(x.indexOf(de)+de.length,x.length)
	}
	temp[i]=x
	return temp
}
//Fill 0 in front of x, with total length is n
function z(x,n){
	if(udf(n))n=10
	x=""+x
	var l=x.length
	for(var i=0;i<n-l;i++)x="0"+x
	return x
}
function genstar(x,y){
	if (x.value=="") eval("document."+y+".src='/i/star.gif'")
	else eval("document."+y+".src='/c.gif'")
}
//Check if window is popup window
function isPopup(){
	if(udf(opener))document.location.href="/"
}
//Check if window is frame
function isFrame(){
	if(udf(parent.frames[0]))document.location.href="/"
}
//For calculator
var Memory=""
function neworder(){
	var ord_no="119"
	if(no_of_item==0 && ord_no!=""){
		alert("ขออภัย order ใหม่ ไม่สามารถสร้างได้ท่านยังไม่มีสินค้าใน order ปัจจุบัน")
		return
	}
	document.location.href="/m/neworder.jsp"
}