// JavaScript Document
  var myWidth = 0, myHeight = 0;
function alertSize() 
{
  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;
  }
/*  window.alert( 'Width = ' + myWidth );
  window.alert( 'Height = ' + myHeight );*/
}
function oszlop(){
	alertSize();
	//window.alert( 'Width = ' + myWidth );
	/// beállítja az egységes oszlop magasságot
	var kozep_tartalom = parseInt(document.getElementById('kozep').offsetHeight);
	
	if (kozep_tartalom<500){
		height=myHeight-(210); /// a fejléc magasság
		document.getElementById('kozep').style.height=height+'px';
	}
	//alert (height);

    

}