function centreMe() {
	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;
	}
//	window.alert( 'Width = ' + myWidth );
//	window.alert( 'Height = ' + myHeight );
	if (myWidth > 1019) {
		marginX = Math.round((myWidth - 1019)/2);
		document.getElementById('marginLeft').width = marginX;
		document.getElementById('marginLeftImg').width = marginX;
		document.getElementById('divPebbles').style.left = (794 + marginX*1)+'px';
//alert('Width:'+myWidth+'\nMargin'+marginX);
		//836
	} else {
//alert('Width:'+myWidth);
		document.getElementById('marginLeft').width = 0;
		document.getElementById('marginLeftImg').width = 0;
		document.getElementById('divPebbles').style.left = 794+'px';

	}
//	window.alert( 'Margin = ' + marginX );
}