function browserWidth() {   
	var myWidth = 0;   
	if( typeof( window.innerWidth ) == 'number' ) {     
		//Non-IE     
		myWidth = window.innerWidth;   
	} 	
	else if( document.documentElement && document.documentElement.clientWidth ) {     
		//IE 6+ in 'standards compliant mode'     
		myWidth = document.documentElement.clientWidth;   
	} 	
	else if( document.body && document.body.clientWidth ) {     
		//IE 4 compatible     
		myWidth = document.body.clientWidth;   
	}   
	return myWidth; 
}