function waitPreloadPage(id_main,id_yuk) { //DOM
	if (document.getElementById){
		document.getElementById(id_yuk).style.visibility='hidden';
		document.getElementById(id_main).style.visibility='visible';
	} else{
		if (document.layers){ //NS4
			document.id_yuk.visibility = 'hidden';
			document.id_main.visibility = 'visible';
		}
		else { //IE4
			document.all.id_yuk.style.visibility = 'hidden';;
			document.all.id_main.style.visibility = 'visible';
		}
	}
}
function clickCame(id_main,id_yuk) { //DOM
	if (document.getElementById){
		document.getElementById(id_yuk).style.visibility='visible';
		document.getElementById(id_main).style.visibility='hidden';
	} else{
		if (document.layers){ //NS4
			document.id_yuk.visibility = 'visible';
			document.id_main.visibility = 'hidden';
		}
		else { //IE4
			document.all.id_yuk.style.visibility = 'visible';;
			document.all.id_main.style.visibility = 'hidden';
		}
	}
}