function getCookieVal (offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
		if (endstr == -1)    
			endstr = document.cookie.length;  
		return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  

		while (i < clen) {    
			var j = i + alen;    
				if (document.cookie.substring(i, j) == arg)      
				return getCookieVal (j);    
				i = document.cookie.indexOf(" ", i) + 1;    
				if (i == 0) break;   
		}  
	return null;
}

var teste = GetCookie ("campogrande");
if (teste == null) {
	abrir = 1;
	document.cookie = "campogrande=1";
} else abrir = 0;

function abrir(URL) {

   var width = 141;
   var height = 171;

   var left = 99;
   var top = 99;

   window.open(URL,'ANDRE', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');

}