function returnSize() {
  var myWidth = 0;
  var 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 result = new Array(myWidth,myHeight);
  return result;
}

function replaceMain () {
	var sizes = returnSize();
	var newStyle = new Object();
	var blankWidth = 0;
	var blankHeight = 0;
	blankWidth = sizes[0] - 1007;
	if (blankWidth <= 0) {
		newStyle.marginLeft = "15px";
	} else {
		newStyle.marginLeft = blankWidth/2 + "px";
	}
	blankHeight = sizes[1] - 574;
	if (blankHeight <= 0) {
		newStyle.marginTop = "15px";
	} else {
		newStyle.marginTop = blankHeight/2 + "px";
	}
	
	$('contener').setStyle(newStyle);
	

}