// JavaScript Document

	function SwithBlock( id ) {
	
		try {

			var Block = document.getElementById( id );

			if ( !Block.style.display || Block.style.display != "none" ) {

				Block.style.display = "none";

			} else {

				Block.style.display = "block";

			}

		} catch (ex ) { ;}	//alert( ex.description )
	
	}