function open_pm(pm) {

	window.open(pm,null,'left='+((window.screen.width-620)/2)+',top=50,height='+(window.screen.height-250)+',width=620,status=yes,toolbar=no,menubar=no,location=yes,resizable=yes,scrollbars=yes');
	
}

function calc_length(obj,max,cn) {
	
	if(cn=='') cn2='calc'; else cn2=cn;
	//alert(obj.value.length);
	document.getElementById(cn2).innerHTML="Current length: "+obj.value.length+" characters.";
	
	if(obj.value.length>max) 
		document.getElementById(cn2).className="redb2"; 
	else 
		document.getElementById(cn2).className="grayb2";
	
}