function goToPage(page,max,current,url)
{
	var ppage = parseInt(page);
	var pmax = parseInt(max);
	var  currentpage = parseInt(current);
	if(isNaN(ppage))
	{
		ppage = 1;
	}
	if(ppage<1) 
	{
		ppage = 1;
	}
	if(ppage>pmax)
	{
		ppage = pmax;
	}
	
	$('#currentpage').value = ppage;
	if(currentpage!=ppage)
	{
		location.href=url+'?page=' + ppage;
	}
}