function displayHelpWindow(){
	var hw=document.getElementById('userreg_help');
	
	if (hw.style.display=='none' || hw.style.display==''){
		hw.style.display='block';
		c=document.getElementById('site_content').offsetLeft+711;
		hw.style.left=c+'px';
	} else {
		hw.style.display='none';
	}
}