// JavaScript Document
/*
	group category
		function_parameter = ('group',6);
	service category
		function_parameter = ('service',6);
	company category
		function_parameter = ('company',4);
	irinfo category
		function_parameter = ('irinfo',5);


function changeIMG_group(){
var a = Math.floor(Math.random()*6);
var b =new Array("01","02","03","04","05","06");
	document.write("<img src='/group/images/vi_group_" + b[a] + ".jpg' width='595' height='152' />");
}

function changeIMG_service(){
var a = Math.floor(Math.random()*6);
var b =new Array("01","02","03","04","05","06");
	document.write("<img src='/service/images/vi_service_" + b[a] + ".jpg' width='595' height='152' />");
}

function changeIMG_company(){
var a = Math.floor(Math.random()*4);
var b =new Array("01","02","03","04");
	document.write("<img src='/company/images/vi_company_" + b[a] + ".jpg' width='595' height='152' />");
}

function changeIMG_irinfo(){
var a = Math.floor(Math.random()*5);
var b =new Array("01","02","03","04","05");
	document.write("<img src='/irinfo/images/vi_irinfo_" + b[a] + ".jpg' width='595' height='152' />");
}
*/
var label = "imgTAG";

//------ Japanese site ---------
function changeIMG(DIR,MAX){
	var cookie = document.cookie+";";
	IN = cookie.indexOf(label,0);
	if(!(IN==-1)){
		do{
			OUT = cookie.indexOf(";",IN);
			VAL = cookie.substring(IN+(label.length)+1,OUT);
			var NUM = Math.floor(Math.random()*MAX);
		}while(VAL==NUM)
		document.cookie = "imgTAG="+NUM;
	}else{
		var NUM = Math.floor(Math.random()*MAX);
		document.cookie = "imgTAG="+NUM;
	}
	var imgNAME =new Array("01","02","03","04","05","06");
	document.write("<img src='/"+DIR+"/images/vi_"+DIR+"_" + imgNAME[NUM] + ".jpg' width='595' height='152' />");
}




//------ English site ---------
function changeIMG_e(DIR,MAX){
	var cookie = document.cookie+";";
	IN = cookie.indexOf(label,0);
	if(!(IN==-1)){
		do{
			OUT = cookie.indexOf(";",IN);
			VAL = cookie.substring(IN+(label.length)+1,OUT);
			var NUM = Math.floor(Math.random()*MAX);
		}while(VAL==NUM)
		document.cookie = "imgTAG="+NUM;
	}else{
		var NUM = Math.floor(Math.random()*MAX);
		document.cookie = "imgTAG="+NUM;
	}
	var imgNAME =new Array("01","02","03","04","05","06");
	document.write("<img src='/english/"+DIR+"/images/vi_"+DIR+"_" + imgNAME[NUM] + ".jpg' width='595' height='152' />");
}
//------ English site for index.html---------
function changeIMG_e_top(){
	var cookie = document.cookie+";";
	IN = cookie.indexOf(label,0);
	if(!(IN==-1)){
		do{
			OUT = cookie.indexOf(";",IN);
			VAL = cookie.substring(IN+(label.length)+1,OUT);
			var NUM = Math.floor(Math.random()*6);
		}while(VAL==NUM)
		document.cookie = "imgTAG="+NUM;
	}else{
		var NUM = Math.floor(Math.random()*6);
		document.cookie = "imgTAG="+NUM;
	}
	var imgNAME =new Array("01","02","03","04","05","06");
	document.write("<img src='/english/images/vi_english_" + imgNAME[NUM] + ".jpg' width='595' height='152' />");
}