function emailkontrol(mail){
		var eposta = mail;
		
		if (( eposta=='' || eposta.indexOf ('@',0) == -1) || (eposta.indexOf('.',0) == -1) || (eposta.indexOf(' ',0) != -1) || (eposta.length<6) || eposta.indexOf ('@',0) != eposta.lastIndexOf ('@')) {
		alert("Lütfen geçerli bir email adresi girin");
		return false;
		} else {
		return true;
		}
}


$(document).ready(
	function() //'font-weight' : 'bolder'
	{	
    	$(document).pngFix(); 
		$.easing.backout = function(x, t, b, c, d){
		var s=1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	};
	
	$('#screen').scrollShow({
		view:'#view',
		content:'#images',
		easing:'backout',
		wrappers:'link,crop',
		navigators:'a[id]',
		navigationMode:'s',
		circular:true,
		start:0,
	});
	$('a.gallinks').click(function(){
	location = this.href;
	});
	}
);


function pageScroll() {
    	window.scrollBy(0,-90); // horizontal and vertical scroll increments
    	scrolldelay = setTimeout('pageScroll()',100); // scrolls every 100 milliseconds
		if(getScrollY()<=0){
			clearTimeout(scrolldelay);
		}
}

function getScrollY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;

  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;

  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;

  }
  return scrOfY;
}

function center (el){
	var $element=$("#"+el+"");
	//$element.css({'display':'block'});
	var width = $element.width();
	var height = $element.height();
    var y = ($(window).height() - height) / 2;
    var x = ($(window).width() - width) / 2;
    $element.css({ 'position' : 'absolute','top' : y + 'px','left' : x + 'px'});
}