function addOnLoadEvent(f)
{
	var currentOnLoad = window.onload;
	if (typeof window.onload != 'function')
		window.onload = f;
	else
	{
		window.onload = function() 
		{
			currentOnLoad();
			f();
		}
	}
}

function hideObject(o)
{
	o.style.display = 'none';
}

function showObject(o)
{
	o.style.display = '';
}

function setContentWidth()
{
	var content = document.getElementById('content-main');
	var images = content.getElementsByTagName('img');
	var paragraphs = content.getElementsByTagName('p');
	if (images.length>0)
		var margin = '10px 160px 0 10px';
	else
		var margin = '10px 10px 0 10px';
	
	for(var i=0;i<paragraphs.length;i++)
	{
		paragraphs[i].style.margin = margin;
	}
}

addOnLoadEvent(setContentWidth);