function WC(rnum){
	var CooStr = ReadCoo("dpCku");
	var CooArr = new Array();
	if(CooStr == ""){
		document.getElementById("chi" + rnum).src= "http://www.dougapost.com/img/checkeditm.gif";
		
		CooArr[0] = rnum;
	}else if(CooStr.indexOf(rnum) != -1){
		document.getElementById("chi" + rnum).src= "http://www.dougapost.com/img/checkitm.gif";

		CooArr = CooStr.split('_');
		for(var i in CooArr){
			if(CooArr[i] == rnum){
				delete(CooArr[i]);
				break;
			}
		}
	}else{
		document.getElementById("chi" + rnum).src= "http://www.dougapost.com/img/checkeditm.gif";

		if(CooStr == ""){
			CooArr[0] = rnum;
		}else{
			CooArr = CooStr.split('_');
			CooArr.push(rnum);
			if(CooArr.length > 20){
				delete(CooArr[0]);
			}
		}
	}
	CooStr = "";
	var y = 0;
	for(var i in CooArr){
		if(typeof(CooArr[i]) == "string" && CooArr[i] != ""){
			CooStr += (y == 0)? '' : '_';
			CooStr += CooArr[i];
			y++;
		}
	}
	WriteCoo("dpCku", CooStr, 30);
}

function ReadCoo(key) {
     var sCookie = document.cookie;
     var aData = sCookie.split(";");
     var oExp = new RegExp(" ", "g");
     key = key.replace(oExp, "");

     var i = 0;
     while (aData[i]) {
          var aWord = aData[i].split("=");
          aWord[0] = aWord[0].replace(oExp, "");
          if (key == aWord[0]) return unescape(aWord[1]);
          if (++i >= aData.length) break;
     }
     return "";
}

function WriteCoo(key, value, days) {
     var str = key + "=" + escape(value) + ";";
     if (days != 0) {
          var dt = new Date();
          dt.setDate(dt.getDate() + days);
          str += "expires=" + dt.toGMTString() + ";";
     }
     document.cookie = str;
}