var divid; var adiv; var bdiv; var cdiv; var ddiv;  
var mytab; var atab; var btab; var ctab; var dtab;
var DIVS = new Array("adiv","bdiv","cdiv","ddiv");
var TABS = new Array("atab","btab","ctab","dtab");

function setup()
{
	if (document.getElementById)
	{
		adiv = document.getElementById("showall");
		bdiv = document.getElementById("bnb");
		cdiv = document.getElementById("hotels");
		ddiv = document.getElementById("day");
		atab = document.getElementById("tab_a");
		btab = document.getElementById("tab_b");
		ctab = document.getElementById("tab_c");
		dtab = document.getElementById("tab_d");
	}	
	else if(document.all) 
	{
		adiv = document.all("showall");
		bdiv = document.all("bnb");
		cdiv = document.all("hotels");
		ddiv = document.all("day");
		atab = document.all("tab_a");
		btab = document.all("tab_b");
		ctab = document.all("tab_c");
		dtab = document.all("tab_d");
	}
}

function swapper(choice)
{
	setup();
	for (x=0; x<=3; x++)
	{
		divid = eval(DIVS[x]);
		mytab = eval(TABS[x]);
		if (x==choice){
		 	divid.style.display="inline";
			mytab.className="tabselect";
		}
		else { 
			divid.style.display="none";
			mytab.className="tab";
		}
	}
}