var lower_width_already = false;
var higher_width_already = false;

function transform(transform_width){
			var document_width = parseInt(document.body.clientWidth) || parseInt(document.body.offsetWidth);
			if (document_width < transform_width ){
				if( !lower_width_already ){
					document.getElementById('phones').style.visibility = 'hidden'; 
					document.getElementById('phones_left').style.display = 'block'; 
					document.getElementById('topmenu').className = 'topmenu_all_width';
					document.getElementById('gifts').style.display = 'none'; 
					document.getElementById('gifts_left').style.display = 'block'; 
					document.getElementById('content').className = 'content_without_gifts';
					lower_width_already = true;
					higher_width_already = false;
				}
			} else {
				if( !higher_width_already ){
					document.getElementById('phones').style.visibility = 'visible'; 
					document.getElementById('phones_left').style.display = 'none';
					document.getElementById('topmenu').className = 'topmenu_default';
					document.getElementById('gifts').style.display = 'block'; 
					document.getElementById('gifts_left').style.display = 'none'; 
					document.getElementById('content').className = 'content';
					lower_width_already = false;
					higher_width_already = true;
				}
			}
}