/* script for login block show */
function showAuthForm(){
	a	=	document.getElementById('auth');
	b	=	arguments[0];
	if(a.style.visibility!='hidden'){
		a.style.visibility = 'hidden';		
		b.className += ' closed';
	}
	else{
		a.style.visibility = 'visible';		
		b.className = 'loginLink';
	}	
}

function clearTextField(id, def_text)
{
var field = document.getElementById(id);
	if(field.value == def_text)
	field.value = "";
}