function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}



function Validatetextarea(field) {
	var valid = "ABCÇDEFGĞHIİJKLMNOÖPQRSŞTUÜVWXYZabcçdefgğhıijklmnoöpqrsştuüvwxyz0123456789.-";
	var temp;
		
	for (var i=0; i<field.length; i++) {
		temp = "" + field.substring(i, i+1);
		if  (valid.indexOf(temp) == "-1") {
			return false;
		}
	}
	return true;
} 

function menu(menuCount){
	for(i=0;i<=3;i++){
		if(i==menuCount){
			document.getElementById("banner"+i).style.display="block"
			document.getElementById("link"+i).src="images/HemenDestekMenu"+i+"_over.jpg"
		}else{
			document.getElementById("banner"+i).style.display="none"
			document.getElementById("link"+i).src="images/HemenDestekMenu"+i+".jpg"
		}
	}
}

function BgFade(red1, grn1, blu1, red2,	grn2, blu2, steps,strName) {
	sred = red1; sgrn = grn1; sblu = blu1; 
	ered = red2; egrn = grn2; eblu = blu2; 
	inc = steps; 
	step = 0; 
	bgBaslat(strName);
}

function bgBaslat(strName) {
	var epct = step/inc; 
	var spct = 1 - epct; 
	document.getElementById(strName).style.backgroundColor=	"RGB(" + Math.floor(sred * spct + ered * epct)*256*256 + "," + Math.floor(sgrn * spct + egrn * epct)*256 + "," + Math.floor(sblu * spct + eblu * epct) + ")"; 
	if ( step < inc ) {
	setTimeout("bgBaslat('"+strName+"');",50); 
	}
	step++;
}

function showHide(strName){
	if(document.getElementById(strName).style.display=='block'||document.getElementById(strName).style.display=='inline'){
		document.getElementById(strName).style.display='none'
	}else{
		document.getElementById(strName).style.display='block'
	}
}

function setZaman(strName){
  now = new Date();
  hour = now.getHours();
  min = now.getMinutes();
  sec = now.getSeconds();

  document.getElementById(strName).innerHTML = hour + ":" + min + ":" + sec
  setTimeout("setZaman('"+strName+"');",1000); 
  }
  
function getPage(strPageName,strIdName){
var req;
if(window.XMLHttpRequest) {
	req= new XMLHttpRequest();
	}
	else if(window.ActiveXObject){
		req=new ActiveXObject("Microsoft.XMLHTTP");
		}

req.open("POST", "Process.asp?"+strPageName, true);
req.onreadystatechange=function callback(){
if(req.readyState == 4) {
	if(req.status == 200) {
				// Dogru sonuc donere arka plan saridan beyaza gececek
				BgFade(0xB5,0xDB,0x30, 0xFF,0xFF,0xFF,10,strIdName)
							}
							else{
				// Hatali bir sonuc donerse o zaman arka plan kirmizidan beyaza gececek
				BgFade(0xFF,0x00,0x00, 0xFF,0xFF,0xFF,10,strIdName)
								}
							}
						}
if(navigator.appName=="Netscape"){
	req.send(true);
		} else if(window.ActiveXObject) {
			req.send();
		}
}

function demo(){
setCookie("demo","true",100);
menu(0);
zaman = setTimeout("menu(1)",600);
zaman = setTimeout("menu(2)",1200);
zaman = setTimeout("menu(3)",1800);
zaman = setTimeout("menu(0)",2400);
}

var oe = 0
function outlookExpress(strPage){
if(strPage<0){oe=oe-1}else{oe++}
if(oe>9){oe=0}
if(oe<0){oe=9}
var resim = new Array();
var FolderName = "Images/outlookExpress";
resim[0] = FolderName + "/adim1.png";
resim[1] = FolderName + "/adim2.png";
resim[2] = FolderName + "/adim3.png";
resim[3] = FolderName + "/adim4.png";
resim[4] = FolderName + "/adim5.png";
resim[5] = FolderName + "/adim6.png";
resim[6] = FolderName + "/adim7.png";
resim[7] = FolderName + "/adim8.png";
resim[8] = FolderName + "/adim9.png";
resim[9] = FolderName + "/adim10.png";
document.getElementById("outlookexpress").src = resim[oe] ;
}

var mo = 0
function outlook2002(strPage){
if(strPage<0){mo=mo-1}else{mo++}
if(mo>6){mo=0}
if(mo<0){mo=6}
var resim = new Array();
var FolderName = "Images/outlook2003";
resim[0] = FolderName + "/adim1.jpg";
resim[1] = FolderName + "/adim2.jpg";
resim[2] = FolderName + "/adim3.jpg";
resim[3] = FolderName + "/adim4.jpg";
resim[4] = FolderName + "/adim5.jpg";
resim[5] = FolderName + "/adim6.jpg";
resim[6] = FolderName + "/adim7.jpg";
document.getElementById("mo2002").src = resim[mo] ;
}

var op = 0
function operamail(strPage){
if(strPage<0){op=op-1}else{op++}
if(op>3){op=0}
if(op<0){op=3}
var resim = new Array();
var FolderName = "Images/opera";
resim[0] = FolderName + "/opera-1.gif";
resim[1] = FolderName + "/opera-2.gif";
resim[2] = FolderName + "/opera-3.gif";
resim[3] = FolderName + "/opera-4.gif";
document.getElementById("opera").src = resim[op] ;
}

var ns = 0
function netscapemail(strPage){
if(strPage<0){ns=ns-1}else{ns++}
if(ns>3){ns=0}
if(ns<0){ns=3}
var resim = new Array();
var FolderName = "Images/Netscape7";
resim[0] = FolderName + "/netscape7x-1.gif";
resim[1] = FolderName + "/netscape7x-2.gif";
resim[2] = FolderName + "/netscape7x-3.gif";
resim[3] = FolderName + "/netscape7x-4.gif";
document.getElementById("netscape").src = resim[ns] ;
}

var mac = 0
function macintoshemail(strPage){
if(strPage<0){mac=mac-1}else{mac++}
if(mac>2){mac=0}
if(mac<0){mac=2}
var resim = new Array();
var FolderName = "Images/Macintosh_Outlook";
resim[0] = FolderName + "/mac_outlook_1.gif";
resim[1] = FolderName + "/mac_outlook_2.gif";
resim[2] = FolderName + "/mac_outlook_3.gif";
document.getElementById("macintosh").src = resim[mac] ;
}