function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function expandContractDiv(p_oImg,str_p_oTbl, str_p_oPrefText, str_p_oLbl, str_hide, str_learnMore)
	{
		var p_oTbl = document.getElementById(str_p_oTbl);
		var p_oPrefText = document.getElementById(str_p_oPrefText);
		var p_oLbl = document.getElementById(str_p_oLbl);
		//alert(p_oTbl);
		//alert(p_oPrefText);
		//alert(p_oLbl);	
		if(p_oTbl.style.visibility == "hidden")
		{
			p_oImg.src = "Pictures/minus.bmp";
			p_oTbl.style.visibility = "visible";
			p_oTbl.style.display = "";
			p_oPrefText.value = "true";
			p_oLbl.innerHTML = str_hide;
		}
		else
		{
			p_oImg.src = "Pictures/plus.bmp";
			p_oTbl.style.visibility = "hidden";
			p_oTbl.style.display = "none";
			p_oPrefText.value = "false";
			p_oLbl.innerHTML = str_learnMore;
		}
		createCookie(p_oPrefText.id,p_oPrefText.value,0);		
	}