//resizer for full height css columns
	function fillthescreen(){
		winH = windowHeight(); //This returns the screen heigth
		heightNeeded=winH-270; // substract the total height of the  footer and the header
		if( typeof( window.innerWidth ) != 'number' ) { //Explorer doesn't recognize minHeight
			document.getElementById('leftNav').style.height=heightNeeded+'px'; //So, we use height (and explroer bug)-insert your column first
		}
		document.getElementById('leftNav').style.minHeight=heightNeeded+'px'; //insert your column first name For every other browser, we use minHeight
	}

	function windowHeight(){
		var alto= 0;
		if( typeof( window.innerWidth ) == 'number' ) {
			alto= window.innerHeight;
		} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
			alto= document.documentElement.clientHeight;
		} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
			alto= document.body.clientHeight;
		}
		return alto;
	}