function ShowHide(layer){
	var cur_disp = document.getElementById(layer).style.display;
	if (cur_disp == 'block' || cur_disp == '')
		document.getElementById(layer).style.display = 'none';
	else document.getElementById(layer).style.display = 'block';
}
function getClientWidth()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
}

function getClientHeight()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
}
function FollowLink(page) {
	document.location = page;
}
function procWhiteCol(act){
	var normal_cdiv_width = '110px';
	var feedback_cdiv_width = '390px';
	var cdiv_id = 'white_col';
	var c2div_id = 'main_col';

	var cur_cdiv_width = document.getElementById(cdiv_id).style.width;
	if (act == 'feedback'){
		if (cur_cdiv_width != feedback_cdiv_width){
			document.getElementById(cdiv_id).style.width = feedback_cdiv_width;
			}
		else{
			document.getElementById(cdiv_id).style.width = normal_cdiv_width;
			}
		}
}