var ogf=1;	var gi='inset'; 
// ogf - old_global_flag - текущая активная вкладка;	gf - global flag - будущая активная вкладка
var bc='blue_center';
var gc='gray_center';
var gg='gray-gray';
var bg='blue-gray';
var gb='gray-blue';
var l='left'; var r='right';

function inset(gf) {
	var gf=parseInt(gf,10);
	if (gf!=ogf) 
	{	
	document.getElementById('block'+gf).style.display='block'; 
	document.getElementById('block'+ogf).style.display='none'; 
	document.getElementById(gi+gf).className=bc;
	document.getElementById(gi+ogf).className=gc;
		if (gf==1) 
			  { document.getElementById(gi+l).className='blue_left'; 
				 }
			else {  document.getElementById(gi+l).className='gray_left';
					 }
		if (gf==4) document.getElementById(gi+r).className='blue_right'; 
			else document.getElementById(gi+r).className='gray_right'; 
		switch (gf) {
		case 1: {   document.getElementById(gi+'12').className=bg;
					document.getElementById(gi+'23').className=gg;
					document.getElementById(gi+'34').className=gg; break;}
		case 2: {   document.getElementById(gi+'12').className=gb;
					document.getElementById(gi+'23').className=bg;
					document.getElementById(gi+'34').className=gg; break;}
		case 3: {   document.getElementById(gi+'12').className=gg;
					document.getElementById(gi+'23').className=gb;
					document.getElementById(gi+'34').className=bg; break;} 
		case 4: {   document.getElementById(gi+'12').className=gg;
					document.getElementById(gi+'23').className=gg;
					document.getElementById(gi+'34').className=gb; break;}
		}
	ogf=gf;	// смена номера активной вкладки
	}
}


var timerID, delay=1000;
function tooltip_on(id_block1,id_text1) {		
	clearTimeout(timerID);
	id_block=id_block1;
	id_text=id_text1;
	timerID=setTimeout("tooltip_on2()", delay);	
}

function tooltip_on2() {		
	document.getElementById('pointer'+id_block).className='pointer p'+id_text;
	document.getElementById('tooltip'+id_block).style.display='block';
	document.getElementById('text'+id_block+'_'+id_text).style.display='block';	
}

function tooltip_off(id_block,id_text) {
	clearTimeout(timerID);
	document.getElementById('tooltip'+id_block).style.display='none';
	document.getElementById('text'+id_block+'_'+id_text).style.display='none';		
}