window.addEvent('domready', function(){
	
	var timer;
	window.addEvent('resize', function(){
	  $clear(timer);
	  timer = placeWrapper().delay(50);
	});
	
	placeWrapper();
	
	function placeWrapper() {
		//get window dimensions
		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;
	  }
		//move the main wrapper accordingly
		var el = document.id('wrapMain');
		if(myWidth<960) {
			el.setStyle('left','480px');
		} else {
			el.setStyle('left','50%');
		}
		if(myHeight<620) {
			el.setStyle('top','310px');
		} else {
			el.setStyle('top','50%');
		}
	} 
});