function resize()
{  
	// Divs to resize.
	var sideImage = document.getElementById("sideImage");
	var sideGrunge = document.getElementById("sideGrunge");
	
	// Dimensions to take into account
	var htmlheight = document.body.parentNode.scrollHeight; // Read content height.
	var windowheight = window.innerHeight; // Read window height in Moz.
	
	// Checks
	var isIE = (navigator.appName.indexOf("Microsoft") !=-1); // Check if browser is IE.

	if( sideImage && sideGrunge )
	{
		if(isIE) 
		{
			windowheight = document.documentElement.clientHeight; // Read window height in IE.
		} 
		
		if ( windowheight > htmlheight )  
		{ 
			sideImage.style.height = windowheight + "px";
			sideGrunge.style.height = windowheight + "px";
		}  
		else
		{
			sideImage.style.height = htmlheight + "px";
			sideGrunge.style.height = htmlheight + "px";
		}
	}
}