function getPageDimensions () {
	var dim = {width: 0, height: 0};
	
    if (document.body.clientWidth && document.body.clientHeight) {
		dim.width = document.body.clientWidth;
		dim.height = document.body.clientHeight;
	} else if(document.body.offsetWidth && document.body.offsetHeight) {
		dim.width = document.body.offsetWidth;
		dim.height = document.body.offsetHeight;
	} else if (document.documentElement.clientWidth && document.documentElement.clientHeight) {
		dim.width = document.documentElement.clientWidth;
		dim.height = document.documentElement.clientHeight;
	}
	
	return dim;
}

function brandingHeight(idLeft, idRight){
	var dim = getPageDimensions();
	if(dim.height) {
		if(document.getElementById(idLeft)) {
			document.getElementById(idLeft).style.height = dim.height + 'px';
		}	
		
		if(document.getElementById(idRight)) {
			document.getElementById(idRight).style.height = dim.height + 'px';
		}	
	}
		
}