function getReferer(ref)
{
var dotin = 0;
var reflen = 0;
var beg = 0;
var end = 0;
var temp = 0;

ref1 = ref;
reflen = ref.length;
dotin = ref.indexOf(".",0);

temp = ref1.indexOf("/",0);
end = dotin + 4;
while(temp  != -1)
{
beg = temp + 1;
ref1 = ref1.substring(beg,end);
temp = ref1.indexOf("/",0);
}
ref = ref.substring(beg,end);


return ref1;

}