function init_dw_Scroll() {
    var wndo = new dw_scrollObj('wn', 'contenedor');
    wndo.setUpScrollbar("dragBar", "track", "v", 1, 1,true);
    wndo.setUpScrollControls('scrollbar');
}

function getSizeWindowHeight() {
  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 contenedor=document.getElementById('contenedor');
  var number=contenedor.clientHeight;
  if(number){
	
	number=parseInt(number)+10;

	  if(number+100 < myHeight){
		  
	  	myHeight=number+100;
		if(document.getElementById('centerBody_c'))
  			document.getElementById('centerBody_c').style.height=number+"px";
		else
		if(document.getElementById('centerBody'))
			document.getElementById('centerBody').style.height=number+"px";
	  }
  }

  
  return myHeight;
}