function Valt(obj,el) 	{
		document.getElementById(obj).style.display=(document.getElementById(obj).style.display=='block')?'none':'block'
		document.getElementById("hatt").style.display=(document.getElementById("hatt").style.display=='block')?'none':'block'
			}			



function alertSize() {
		  var myWidth = 0, myHeight = 0;
		  if( typeof( window.innerWidth ) == 'number' ) {
		    //Non-IE
		    myWidth = window.innerWidth;
		    myHeight = window.innerHeight;
		  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		    //IE 6+ in 'standards compliant mode'
		    myWidth = document.documentElement.clientWidth;
		    myHeight = document.documentElement.clientHeight;
		  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		    //IE 4 compatible
		    myWidth = document.body.clientWidth;
		    myHeight = document.body.clientHeight;
		  }
		var div_height =mybody.offsetHeight;
		//  window.alert( 'Width = ' + myWidth +  ' Height = ' + myHeight +  ' Body_Height = ' + div_height +  ' Ajánlas_width = ' + ajanlas_width );
		}