function initSize() {myWidth = 0, myHeight = 0;if( typeof( window.innerWidth ) == 'number' ) {myWidth = window.innerWidth;myHeight = window.innerHeight;} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {myWidth = document.documentElement.clientWidth;myHeight = document.documentElement.clientHeight;} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {myWidth = document.body.clientWidth;myHeight = document.body.clientHeight;}}
initSize();