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;
   		}

		function SetCookie (name, value) 
	   	{
   			var argv = SetCookie.arguments;
   			var argc = SetCookie.arguments.length;
   			var expires = (argc > 2) ? argv[2] : null;
			//alert(expires);
   			var path = (argc > 3) ? argv[3] : null;
   			var domain = (argc > 4) ? argv[4] : null;
   			var secure = (argc > 5) ? argv[5] : false;
   			document.cookie = name + "=" + escape (value) +
        		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        		((path == null) ? "" : ("; path=" + path)) +
        		((domain == null) ? "" : ("; domain=" + domain)) +
        		((secure == true) ? "; secure" : "");
   		}
	
		var currentImage;			
		if(GetCookie('curImgCookie') != null) {			
			currentImage='2';
		} else {
			//alert("Cookie does not EXISTS!");
			var expdate = new Date (); 
			expdate.setTime(expdate.getTime() + (180 * 24 * 60 * 60 * 1000) ); 
      		SetCookie('curImgCookie','1', expdate);  
			currentImage="1";
		}