function bar(url){
		wasOpen  = false;
		win = window.open(url);
		return (typeof(win)=='object')?true:false;
	}
	
	function boxOn(which) {
		if (document.all||document.getElementById) {
		  which.className = 'input_on';
		}
	}
	
	function boxOff(which) {
		if (document.all||document.getElementById) {
			which.className = 'input_off';
		}
	}
	
	function ukaz(t) {
	  var tab=document.getElementById(t);
	  var tabi=document.getElementById(t+'i');
	  if ( tab.style.display=='none' || tab.style.display=='' ) {
	    tab.style.display='block';
	  } else {
	    tab.style.display='none';
	  }
	}