var t = 0;

	function showblok(id) {
		clearTimeout(t);
		for (x = 1; x <= 9; x++) {
			blokx = 'blok'+x+'menu';
			document.getElementById(blokx).className = "none";
		}
		blok = document.getElementById(id);
		if(id == 'blok1menu' || id == 'blok2menu' || id == 'blok3menu')
			blok.className = "block h200 w170 ova";
		else
			blok.className = "block w170";		
	}
	
	function hideblok(id) {
		blok = document.getElementById(id);
		blok.className = "none"
	}

	function hide(id) {
		t = setTimeout("hideblok(\""+id+"\")", 300);
	}
	
	function hideallblocks() {
		for (x=1; x<=9; x++) {
			blok = 'blok'+x+'menu';
			document.getElementById(blok).className = "none";
		}
	}