// JavaScript Document right_click

	function right_click(e) {
  		if (document.all) {
		    if (event.button == 2 || event.button == 3) { 
				oncontextmenu = "return false"; 
			} 
		}
		if (document.layers) {
			if (e.which == 3) { 
				oncontextmenu = "return false"; 
			} 
		} 
	}
	if (document.layers) { 
		document.captureEvents(Event.MOUSEDOWN); 
	}
	document.onmousedown = right_click;
	document.oncontextmenu = new Function("return false;");
	
			function hozzair(betu) {
				document.urlap.tabla.tabla2.tabla3.szerk.value += betu;
			}