function changeFlag(obj, flag_id)
{
	obj.className = flag_id;
}

function checkWidth()
{
	var w = document.getElementById('body').clientWidth;
	var left = (w - 890)/2;
	
	document.getElementById('service').style.left = (126 + left) +'px';
	document.getElementById('partners').style.left = (315 + left) +'px';
	document.getElementById('intex').style.left = (540 + left) +'px';
	document.getElementById('about').style.left = (690 + left) +'px';
}

function hideAll()
{
	document.getElementById("service").style.display="none";
	document.getElementById("partners").style.display="none";
	document.getElementById("intex").style.display="none";
	document.getElementById("about").style.display="none";
}

function show(divId)
{
	hideAll();
	document.getElementById(divId).style.display="block";
}

function hide(divId)
{
	document.getElementById(divId).style.display="none";
}