function shFoo(tid){
	var L =document.getElementById("listings");
	var	listings = L.getElementsByTagName("table");
	
	for(var i=0; i< listings.length; i++){
		if( listings[i].id !=tid)
			listings[i].style.display="none";
		else
			listings[i].style.display="block";

	}		
}

function listAllSites(){

	var L =document.getElementById("listings");
	var	listings = L.getElementsByTagName("table");
	
	for(var i=0; i< listings.length; i++){

		listings[i].style.display="block";

	}

}


function getRowByName(str){
	var rows = document.getElementsByTagName("tr");
	var arr = new Array();
	for(var i=0; i < rows.length; i++){
		if(rows[i].className == str)
			arr[i] = rows[i];
	}
	return arr;
}