var altsayfasayisi=0;
var midContainerclickCount=0;
function performTextReSize()
{
  increaseTextSizeById('midcontainer',midContainerclickCount);
}

function increaseTextSizeById(divId,clickCount)
{
  if(document.getElementById(divId))
 { 
   clickCount=midContainerclickCount;
   clickCount=clickCount+1;
   var bodyElement="";
   if(document.getElementById(divId))
   bodyElement = document.getElementById(divId);
   if(clickCount==1)
   {    
    bodyElement.style.fontSize="0.9em" ;
    if(document.getElementById("textReSizeClick"))
    document.getElementById("textReSizeClick").innerHTML="1.5em";
   }
   else if(clickCount==2)
   {
    bodyElement.style.fontSize="1.2em" ;
    if(document.getElementById("textReSizeClick"))
    document.getElementById("textReSizeClick").innerHTML="2em";

    
   }
   else if(clickCount==3)
   {
    bodyElement.style.fontSize="0.7em" ; 
    if(document.getElementById("textReSizeClick"))
    document.getElementById("textReSizeClick").innerHTML="1em";

   }
   if(clickCount==3)
   clickCount=0;	
   midContainerclickCount=clickCount;
    
 }
}

function altsayfaAc(acilacak){

	for (i=1;i<=altsayfasayisi;i++){
		if (acilacak==i){
			if (document.getElementById("altsayfa-"+acilacak).style.display=='none'){
				document.getElementById("altsayfa-"+acilacak).style.display=''
			}else{
				document.getElementById("altsayfa-"+acilacak).style.display='none'
			}
		} else  {
			document.getElementById("altsayfa-"+i).style.display='none'
		}
	}
}





function validateEmail(str){
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str)) 
		return true	
	else 
		return false;
}

function validatePassword(str){
	var filter=/((?:[\w-]+\.)*\w[\w-]{5,20})$/i
	if (filter.test(str)) 
		return true	
	else 
		return false;
}


function checkKeyboard(obj,e){
	
	
	if(!e) var e = window.event;
	hata=false
//Cancel Space
	if (e.keyCode==32) return false
	if (e.keyCode==64) return true
	if (e.keyCode==95) return true

//0-9
	if ((e.keyCode>=1)&&(e.keyCode<=57)) return true;
	else hata=true;
	//A-Z
	if ((e.keyCode>=65)&&(e.keyCode<=90)) return true;
	else hata=true;
	//a-z
	if ((e.keyCode>=97)&&(e.keyCode<=122)) return true;
	else hata=true;


if (hata==true) return false;
	else return true;
}

function say(obj,sinir){
	var a=document.forms[0];
	sinir=parseInt(sinir);
	if (obj.value.length > sinir) obj.value = obj.value.substring(0, sinir);
	a.sayi.value =sinir-obj.value.length;
}