window.onload = function()
{
	var divMargin = null;
	divMargin = (Math.round((window.innerWidth-980)/2))-5;
	if (divMargin <= 0)
  	{
	  	divMargin = 0; 
	}	
	divMargin = divMargin + "px";
	document.body.style.marginLeft = divMargin;
	document.body.style.marginRight = divMargin; 

}

window.onresize = function()
{
	var divMargin = null;
	divMargin = (Math.round((window.innerWidth-980)/2))-5;
	if (divMargin <= 0)
  	{
	  	divMargin = 0;
	}	
	divMargin = divMargin + "px";
	document.body.style.marginLeft = divMargin; 
	document.body.style.marginRight = divMargin;
}