function startlogin(){
	openwin(780, 440, "http://www.psychecommerce.nl/pc.php?ac=logout&env=pc");
}

function startlogin_en(){
	openwin(780, 440, "http://www.psychecommerce.nl/pc.php?ac=logout&env=pc&lang=en");
}
    
    
function startdemo(url){   
	var x=700;
	var y=525;
	var mytop=(screen.height/2) - (y/2)
	var myleft=(screen.width/2) - (x/2)
    
	showdoc = window.open(url, 'psychecommerce', 'scrollbars=yes,alwaysRaised=1,width=' + x + ',height=' + y + ',top=' + mytop + ',left=' + myleft + ',toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,maximize=no');
}

function pop(img, width, height, alt) {
  var screenW = self.screen.availWidth;
  var screenH = self.screen.availHeight;
  	
  var url  = 'showimg.php?img='+img+'&alt='+alt;
  var popW = width + 40;
  var popH = height + 60;

  var leftPos = (screenW-popW)/2;
  var topPos  = (screenH-popH)/2;

  var vars = 'toolbar=no,directories=no,menubar=no,resizable=yes,status=no,maximize=no,location=no,scrollbars=no,width='+popW+',height='+popH+',screenX='+leftPos+',screenY='+topPos+',left='+leftPos+',top='+topPos;
  w = window.open(url,'',vars);

  w.focus();

  return false;
}