function swapColor(id, bgcolor, color) {
  if (bgcolor != '') { document.getElementById(id).style.backgroundColor = bgcolor; }
  if (color != '') { document.getElementById(id).style.color = color; }
}

function swapDecoration(id, decoration) {
  document.getElementById(id).style.textDecoration = decoration;
}

function gotoUrl(url) {
  window.location.href = url;
}

function setCheckedTrue(id, bool) {
  if (bool != 1) {
    document.getElementById(id).checked = true;
  }
}

function setCheckedFalse(id, bool) {
  if (bool != 1) {
    document.getElementById(id).checked = false;
  }
}

function getCookie(c_name){
	if (document.cookie.length>0){
		c_start=document.cookie.indexOf(c_name + "=");
		
		if (c_start!=-1){
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			
			if (c_end==-1) c_end=document.cookie.length;
			
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function setCookie(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}