function changePage(obj, sort_url){
    if(obj.value != '-1'){
        if(obj.value == '1'){
            window.location.href= sort_url ;
        }else{
			sort_url = sort_url.replace('.html','');
           // if (window.location.href.indexOf("?") == -1) {
				var _len = sort_url.length;           
				var _s = sort_url.substr(_len-1,1)=="-"?"":"-";
				window.location.href = sort_url + _s + obj.value + ".html";
           /* } else {
				var _l = sort_url.indexOf("?") == -1?"?":"&";
               	window.location.href = sort_url + _l + "page=" + obj.value;
            }*/
        }
    }
}
<!---------->
function getXMLRequester()
{ var xmlhttp_request = false;
try
{ if( window.ActiveXObject )
{ for( var i = 5; i; i-- ){
try{
if( i == 2 )
{ xmlhttp_request = new ActiveXObject( "Microsoft.XMLHTTP" ); }
else
{ xmlhttp_request = new ActiveXObject( "Msxml2.XMLHTTP." + i + ".0" );
xmlhttp_request.setRequestHeader("Content-Type","text/xml");
xmlhttp_request.setRequestHeader("Content-Type","utf8"); }
break;}
catch(e){ xmlhttp_request = false; } } }
else if( window.XMLHttpRequest )
{ xmlhttp_request = new XMLHttpRequest();
if (xmlhttp_request.overrideMimeType)
{ xmlhttp_request.overrideMimeType('text/xml'); } } }
catch(e){ xmlhttp_request = false; }
return xmlhttp_request ; }

function get_sort_url(str){
var xmlhttp=getXMLRequester();
xmlhttp.onreadystatechange = function(){
	if (xmlhttp.readyState == 4) {
		if(xmlhttp.status==200){
 location.href=location.href;
		}
	}	
	
};
xmlhttp.open('POST', location.href, true); 
xmlhttp.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xmlhttp.send(str);
}

function setView(s){
switch(s){
case 'li':
get_sort_url('view='+s);
break;
case 'gr':
get_sort_url('view='+s);
break;
case 'ga':
get_sort_url('view='+s);
break;
default:
get_sort_url('sort='+s);
}
}

function setCount(s){
get_sort_url('count='+s);
}

function SetPr(f,t){
get_sort_url('pfrom='+f+'&pto='+t);
}

function SetPrCus(){
var f=$('prfrom').value;
var t=$('prto').value;
if(f=='')f='0';
if(t=='')t='0';

get_sort_url('pfrom='+f+'&pto='+t);
}

function SetCurr(c){
var xmlhttp=getXMLRequester();
xmlhttp.onreadystatechange = function(){
	if (xmlhttp.readyState == 4) {
		if(xmlhttp.status==200){
 location.href=location.href;
		}
	}	
	
};
xmlhttp.open('GET', '/index.php?currency='+c, true); 
xmlhttp.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xmlhttp.send('NULL');
}

function $_(id) {
	return document.getElementById(id);
}
function FormatNumber(srcStr,nAfterDot)       
{
var srcStr,nAfterDot;
var resultStr,nTen;
srcStr = ""+srcStr+"";
strLen = srcStr.length;
dotPos = srcStr.indexOf(".",0);
if (dotPos == -1){
   resultStr = srcStr+".";
   for (i=0;i<nAfterDot;i++){
    resultStr = resultStr+"0";
   }
   return resultStr;
} else{
   if ((strLen - dotPos - 1) >= nAfterDot){
    nAfter = dotPos + nAfterDot + 1;
    nTen =1;
    for(j=0;j<nAfterDot;j++){
     nTen = nTen*10;
    }
    resultStr = Math.round(parseFloat(srcStr)*nTen)/nTen;
    var temp = "" + resultStr;
    var a = temp.indexOf(".",0) + 1;
    var b = temp.length;
    temp = temp.substr(a,b);
    if(temp.length == 1){
     resultStr = resultStr+"0";
    }
    return resultStr;
   }   else{
    resultStr = srcStr;
    for (i=0;i<(nAfterDot - strLen + dotPos + 1);i++){
     resultStr = resultStr+"0";
    }
    return resultStr;
   }
}
} 
function choose_curr(v){
document.currencies_top.currency.value=v;
document.currencies_top.submit();
}
function changeprice(){
		
		var countss=$_('countss').value;
		var price=$_('price_nuti').value;
		
		//alert(document.getElementById('price_nuti').value);
		if(isNaN(countss) !==true && countss!="" ){
			
		var price_a=price.substr(1);
		var price_d=price.substr(price.indexOf(".")+1);
		var price_cur=price.substr(0,1);
		price_a=parseInt(price_a);
		countss=parseInt(countss);
		price_d =parseInt(price_d);
		price_d=(price_d*countss)/100;
		var price_end=countss*price_a;
		var end=FormatNumber(price_end,2);
		end=parseInt(end);
		$_('price_all').value =price_cur+(end+price_d);
		}
}
$(document).ready(function(){
	$("#currency").hover(
  function () {
    $(this).find("b").addClass("hover");$(this).find("ul").fadeIn("fast");
  },function () {
	 $(this).find("b").removeClass("hover");$(this).find("ul").fadeOut("fast");
  }
);
	$("#top_right > a.chat").hover(
  function () {
    $("#top_right > .content").attr("style","display:block;");
  },
  function () {
	  $("#top_right > .content").attr("style","display:none;");
  }
);
 $("#top_right > .content").hover(
  function () {
	$("#top_right > a.chat").attr("style","color:#a72d2c; text-decoration:none; cursor:pointer; border:solid 1px #e1e1e1; background-color:#FFF; padding-left:10px; padding-bottom:6px; border-bottom:0; padding-top:2px;");
    $("#top_right > .content").attr("style","display:block;");
  },
  function () {
	  $("#top_right > a.chat").removeAttr("style");
	  $("#top_right > .content").attr("style","display:none;");
  }
);
	$("#category").hover(function () {$(this).find("#all_category").addClass("hover");},function () {}); 
			$("#css-signature").click(function () {$("#all_category").removeClass("hover");})
           $("#nav_ul > li.start").hover(
			  function () {$(this).find(".nav_sub").attr("style","display:block;"); },function () {$(this).find(".nav_sub").attr("style","display:none;"); }
			  ); 
			$("#nav_ul > li.three").hover(
			  function () {$(this).find(".nav_sub_three").attr("style","display:block;"); },function () {$(this).find(".nav_sub_three").attr("style","display:none;"); }
			); 
			$("#nav_ul > li.four").hover(
			  function () {$(this).find(".force").attr("style","display:block;"); },function () {$(this).find(".force").attr("style","display:none;"); }
			); 
			$("#nav_ul > li.five").hover(
			  function () {$(this).find(".navkid").attr("style","display:block;"); },function () {$(this).find(".navkid").attr("style","display:none;"); }
			); 
			$("#nav_ul > li.six").hover(
			  function () {$(this).find(".navfree").attr("style","display:block;"); },function () {$(this).find(".navfree").attr("style","display:none;"); }
			); 
			$("#nav_ul > li.end").hover(
			  function () {$(this).find(".nav_sub_end").attr("style","display:block;"); },function () {$(this).find(".nav_sub_end").attr("style","display:none;"); }
			);	
			$("#subsea").click( function () {$("#quick_find")[0].submit();});
			$("#switch> .switch_tit > a").hover(
					function(){
						$("#switch > .switch_tit > a").removeClass('hover'); 
						$(this).addClass('hover');
						$("#switch > .switch_con > .con").attr({ style: "display:none"}); 
						var $now = $(this).attr("id");
						$("#switch > .switch_con").find("."+$now).fadeIn("slow"); 
						},function(){}
				);
})