function popup(popup_url, popup_name, winWidth, winHeight){
	if (winWidth == 0){		
		winWidth = (screen.width-30);	
		winHeight = (screen.height-200);	
		scrL = 10;
		scrT = 50;
	}else{
		scrL = (screen.width - winWidth) / 2;
		scrT = ((screen.height - winHeight) / 2);
	}	


  yeni = window.open(popup_url, popup_name, "width="+winWidth+",height="+winHeight+",location=0, resizable=0,scrollbars=0,top="+scrT+",left="+scrL);
  yeni.focus();
}

function popup_withscroll(popup_url, popup_name, winWidth, winHeight){
	if (winWidth == 0){		
		winWidth = (screen.width-30);	
		winHeight = (screen.height-200);	
		scrL = 10;
		scrT = 50;
	}else{
		scrL = (screen.width - winWidth) / 2;
		scrT = ((screen.height - winHeight) / 2);
	}	


  yeni = window.open(popup_url, popup_name, "width="+winWidth+",height="+winHeight+",location=0, resizable=1,scrollbars=1,top="+scrT+",left="+scrL);
  yeni.focus();
}