function alertSize() {
	 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;
	 }
	 /* window.alert( 'Width = ' + myWidth );
	window.alert( 'Height = ' + myHeight );*/
;
	var marginL = -((myWidth-1004)/2) - 380;

	return marginL;
}