var item_cookie = "item=";
var cookie_separator = ";";
var item_value_separator = ":";
var item_value_pair_separator = "&";
var old_cookie;
var item;
var arrCookie = new Array();
var ima = new Image();
var wind;
var twind;
/*function displaypic(entry)
{
var im = new Image();
im.src = entry;
var hi = im.height;
var wi = im.width;
var nw = window.open('', '', 'toolbar=no, status=no, resizable=yes, scrollbars=no, height=' + hi + ', width=' + wi);
nw.document.write("");
nw.document.write("![](\"")
");
nw.document.write("");
}*/
function resizeImg(pic)
{
var im;
var pic_height;
var pic_width;
var frame_width = 150;
var frame_height = 120;
pic_width = eval(pic).width;
pic_height = eval(pic).height;
if( (pic_height > frame_height) && (pic_width > frame_width) ) // both exceeds the size of the frame
{
if( (pic_height / pic_width) >= frame_ratio) // taller than or equal to the frame ratio
{
eval(pic).height = frame_height;
}
else // wider than the frame ratio
{
eval(pic).width = frame_width;
}
}
else
{
if(pic_height > frame_height) // height exceeds the frame height
{
eval(pic).height = frame_height;
}
else
{
if(pic_width > frame_width) // width exceeds the frame width
{
eval(pic).width = frame_width;
}
}
}
eval(pic).style.visibility = "visible";
}
function displaypic(entry)
{
ima.src = entry;
twind = window.open('','', 'toolbar=no, status=no, resizable=no, scrollbars=no, height=30, width=200');
twind.document.write("");
twind.document.write(" Loading...");
twind.document.write("");
setTimeout('display()', 500);
}
function display()
{
twind.close();
var hi = ima.height;
var wi = ima.width;
wind = window.open('', '', 'toolbar=no, status=no, resizable=yes, scrollbars=no, height=' + hi + ', width=' + wi);
wind.document.write("");
wind.document.write("");
wind.document.write("");
}
// item cookie string: "item=[i_id]:[qty]:[price]&[i_id]:[qty]:[price]&...;[session id]=[sessionid value]"
function readCart()
{
if(document.cookie)
{
if(document.cookie.match(item_cookie))
{ //alert("readCart: match");
old_cookie = document.cookie.split(cookie_separator); // -> item=... | jsessionid=...
var i = 0;
for(i = 0; i < old_cookie.length; i++)
{
if(old_cookie[i].match(item_cookie)) break;
}
old_cookie = old_cookie[i].split(item_cookie); // -> item= | item id:qty:price&item id:qty:price&...
old_cookie = old_cookie[1].split(item_value_pair_separator); // -> item id:qty:price | item id:qty:price | ...
var j = 0;
arrCookie.length = 0; //alert(old_cookie);
for(i = 0; i < old_cookie.length; i++)
{
item = old_cookie[i].split(item_value_separator);
arrCookie[j] = item[0]; //alert("arrCookie[" + j + "]: " + arrCookie[j]);
j++;
arrCookie[j] = item[1]; //alert("arrCookie[" + j + "]: " + arrCookie[j]);
j++;
arrCookie[j] = item[2]; //alert("arrCookie[" + j + "]: " + arrCookie[j]);
j++;
} // alert("arrCookie.length: " + arrCookie.length);
} // if(document.cookie.match(item_id)
} // if(document.cookie)
}
function addItem(item_id, quantity, price)
{
var cookie;
var bFound = false;
if(document.cookie)
{
if(document.cookie.match(item_cookie))
{ //alert("item cookie exists: " + document.cookie);
old_cookie = document.cookie.split(cookie_separator); // -> item=... | jsessionid=...
var i = 0; //alert("old_cookie: " + old_cookie);
for(i = 0; i < old_cookie.length; i++)
{ //alert("old_cookie[" + i + "]: " + old_cookie[i]);
if(old_cookie[i].match(item_cookie)) break;
} //alert("item cookie is found at " + i);
old_cookie = old_cookie[i].split(item_cookie); // -> item= | item id:qty:price&item id:qty:price&...
//alert("old_cookie: " + old_cookie);
old_cookie = old_cookie[1].split(item_value_pair_separator); // -> item id:qty:price | item id:qty:price | ...
//alert("old_cookie.length: " + old_cookie.length);
//alert("old_cookie[0]: " + old_cookie[0]);
var j = 0;
arrCookie.length = 0;
for(i = 0; i < old_cookie.length; i++)
{
item = old_cookie[i].split(item_value_separator);
if(item[0] == item_id)
{
bFound = true;
if(quantity > 0) // someone might enter a "0" in the textbox
{
arrCookie[j] = item_id;
j++;
arrCookie[j] = quantity;
j++;
arrCookie[j] = price;
j++;
}
}
else
{
arrCookie[j] = item[0];
j++;
arrCookie[j] = item[1];
j++;
arrCookie[j] = item[2];
j++;
}
}
if(!bFound)
{
arrCookie[j++] = item_id;
arrCookie[j++] = quantity;
arrCookie[j] = price;
}
cookie = item_cookie;
if(arrCookie.length > 0)
{
cookie = cookie + arrCookie[0] + item_value_separator + arrCookie[1] + item_value_separator + arrCookie[2];
}
i = 3;
while(arrCookie[i])
{
cookie = cookie + item_value_pair_separator + arrCookie[i++] + item_value_separator + arrCookie[i++] + item_value_separator + arrCookie[i++];
}
document.cookie = cookie; //alert("document.cookie: " + document.cookie);
} // if(document.cookie.match(item_id)
else
{
// alert("no item cookie: " + document.cookie);
cookie = item_cookie;
cookie = cookie + item_id + item_value_separator + quantity + item_value_separator + price;
document.cookie = cookie; //alert("first item added: " + document.cookie);
}
} // if(document.cookie)
else
{
//alert("no cookie");
cookie = item_cookie;
cookie = cookie + item_id + item_value_separator + quantity + item_value_separator + price;
document.cookie = cookie;
}
cart=window.open('step1.htm', 'cart', 'width=840, height=250, menubar=no, toolbar=no, status=no, resizable=yes, scrollbars=yes');
cart.focus();
}
function removeItem(item_id)
{
var cookie;
if(document.cookie)
{
if(document.cookie.match(item_cookie))
{ //alert("item cookie exists: " + document.cookie);
old_cookie = document.cookie.split(cookie_separator); // -> item=... | jsessionid=...
var i = 0; //alert("old_cookie: " + old_cookie);
for(i = 0; i < old_cookie.length; i++)
{ //alert("old_cookie[" + i + "]: " + old_cookie[i]);
if(old_cookie[i].match(item_cookie)) break;
} //alert("item cookie is found at " + i);
old_cookie = old_cookie[i].split(item_cookie); // -> item= | item id:qty:price&item id:qty:price&...
//alert("old_cookie: " + old_cookie);
old_cookie = old_cookie[1].split(item_value_pair_separator); // -> item id:qty:price | item id:qty:price | ...
//alert("old_cookie.length: " + old_cookie.length);
//alert("old_cookie[0]: " + old_cookie[0]);
var j = 0;
arrCookie.length = 0;
for(i = 0; i < old_cookie.length; i++)
{
item = old_cookie[i].split(item_value_separator);
if(item[0] != item_id)
{
arrCookie[j] = item[0];
j++;
arrCookie[j] = item[1];
j++;
arrCookie[j] = item[2];
j++;
}
}
cookie = item_cookie;
if(arrCookie.length > 0) // could be deleted all; no item exists
{ //alert("arrCookie.length > 0");
cookie = cookie + arrCookie[0] + item_value_separator + arrCookie[1] + item_value_separator + arrCookie[2];
}
i = 3;
while(arrCookie[i])
{
cookie = cookie + item_value_pair_separator + arrCookie[i++] + item_value_separator + arrCookie[i++] + item_value_separator + arrCookie[i++];
}
document.cookie = cookie; //alert("document.cookie: " + document.cookie);
} // if(document.cookie.match(item_id)
} // if(document.cookie)
}