function div_get(div)
	{
		res = false;
		if (document.getElementById) 
		{ // DOM3 = IE5, NS6 
			res = document.getElementById(div);
		} else 
		{ 
			if (document.layers) 
			{ // Netscape 4 
				eval('res = document.'+div+'; ');
			} else 
			{ // IE 4 
				eval('res = document.all.'+div+'; ');
			} 
		}
		return res;
	} 

	function div_hide(div)
	{
		if (document.getElementById) 
		{ // DOM3 = IE5, NS6 
			document.getElementById(div).style.display = 'none'; 
		} else 
		{ 
			if (document.layers) 
			{ // Netscape 4 
				eval('document.'+div+'.display = \'none\'; ');
			} else 
			{ // IE 4 
//alert('div_hide');
				eval('document.all.'+div+'.style.display = \'none\'; ');
			} 
		} 
	} 

	function div_show(div, type)
	{ 
		if (type=="" || type==null || !type) type = "block";
		if (document.getElementById) 
		{ // DOM3 = IE5, NS6 
			document.getElementById(div).style.display = type; 
		} else 
		{ 
			if (document.layers) 
			{ // Netscape 4 
				eval('document.'+div+'.display = \''+type+'\';');
			} else 
			{ // IE 4 
				eval('document.all.'+div+'.style.display = \''+type+'\';');
			} 
		} 
	} 

	function div_switch(div, type)
	{
		if (type=="" || type==null || !type) type = "block";
		if (document.getElementById) 
		{ // DOM3 = IE5, NS6
			var style = document.getElementById(div).style;
//alert("div = "+div+", type = "+type+", get = "+document.getElementById(div)+", style = "+style);
			if (style)
			{
//alert("style exists, IE5, NS6");				
				if (style.display && style.display == type) style.display = 'none'; 
				else style.display = type; 
			}
//else alert("no style");			
		} else 
		{ 
			if (document.layers) 
			{ // Netscape 4 
//alert("layers exists, Netscape 4 ");				
				eval('dis = document.'+div+'.display;');
				if (dis=='block') eval('document.'+div+'.display = \'none\';');
				else eval('document.'+div+'.display = \''+type+'\';');
			} else 
			{ // IE 4 
//alert("layers NOT exists, IE 4 ");				
				eval('dis = document.all.'+div+'.style.display;');
				if (dis=='block') eval('document.all.'+div+'.style.display = \'none\';');
				else eval('document.all.'+div+'.style.display = \''+type+'\';');
			} 
		} 
	}