function toggleDiv(selectedDiv,display)
{
	el = document.getElementById(selectedDiv);
	el.style.display=display;
}

function hideAll()
{
	for(var i=1;i<=endPage;i++){
		el = document.getElementById("results_" + i);
		el.style.display='none';
	}	
}
  
function nextResultsPage()
{
	if (currentPage < endPage) {
		showResultsPage(currentPage+1);
	}
}

function prevResultsPage()
{
	if (currentPage > 1) {
		showResultsPage(currentPage-1);
	}
}

function showResultsPage(newPage) {
	if (newPage >= 1 && newPage <= endPage) {
		//alert("swapping " + selectedDiv + " for " + newPage + "_results");
		//hide the current page
		toggleDiv(selectedDiv,'none');
		
		//set new page and build new page/div name
		currentPage = newPage;
		selectedDiv = "results_" + newPage;
		
		//show the new page
		toggleDiv(selectedDiv,'inline');
	}
}