function sizefix() {
	winH = windowHeight();
	heightNeeded=winH-207;
	try{
	document.getElementById('leftcontent').style.height=heightNeeded+'px';
	document.getElementById('centercontent').style.height=heightNeeded+'px';
	document.getElementById('rightcontent').style.height=(heightNeeded-80)+'px';
	} catch(e){}
}
 
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;
}