//<![CDATA[

// declare all variables

var browserWinWidth, browserWinHeight;

// detect client browser viewport size

var browserWinWidth = 0, browserWinHeight = 0;
if( typeof( window.innerWidth ) === 'number' ) {
//Non-IE
browserWinWidth = window.innerWidth;
browserWinHeight = window.innerHeight;
} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
//IE 6+ in 'standards compliant mode'
browserWinWidth = document.documentElement.clientWidth;
browserWinHeight = document.documentElement.clientHeight;
} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
//IE 4 compatible
browserWinWidth = document.body.clientWidth;
browserWinHeight = document.body.clientHeight;
}

//]]>