function increasesize(id)
{
	objref = document.getElementById(id);
	currentx = objref.width;
	//currenty = objref.height;	
	objref.width = currentx +10;
	for(i = 1; i < 8; i++)
	{
		if(i != id)
		{
			content = "content_" + i;
			document.getElementById(content).style.display = "none";
		}
		else
		{
			content = "content_" + i;
			document.getElementById(content).style.display = "";
		}	
	}
}

function decreasesize(id)
{
	objref = document.getElementById(id);
	currentx = objref.width;
	objref.width = currentx  - 10;
}