function trim(s) 
{ 
    var l=0; var r=s.length -1; 
    while(l < s.length && s[l] == ' ') 
    {     l++; } 
    while(r > l && s[r] == ' ') 
    {     r-=1;     } 
    return s.substring(l, r+1); 

}

var url_pairs = parsequery();
if (null == url_pairs ) {}
else{
typen = getqueryparam(url_pairs, "type");
catn = getqueryparam(url_pairs, "category");
numv = getqueryparam(url_pairs, "number");
keyv = getqueryparam(url_pairs, "tkeyword");
p1 = getqueryparam(url_pairs, "price1");
p2 = getqueryparam(url_pairs, "price2");

if (numv > "")
{document.search.number.value = unescape(numv.replace(/\+/g,""));}

if (p1 > "")
{document.search.price1.value=unescape(trim(p1));};

if (p2 > "")
{document.search.price2.value=unescape(trim(p2));};

if (typen > "")
{document.search.type.value=typen};

if (keyv > "")
{keyv = decodeURIComponent(keyv.replace(/\+/g,  " "));
document.search.keyword.value=(keyv)};

if (catn > "")
{document.search.category.value=catn};

}