function Trim(sInString) 
{
  sInString = sInString.replace( /^\s+/g, "" ); // strip leading
  return sInString.replace( /\s+$/g, "" ); // strip trailing
}

function onBtnSearchClick()
{ 
    var txtSearch = document.getElementById('txtSearch');
     switch (Trim(txtSearch.value).length) 
     {
	    case 0: alert("Введите строку поиска!"); txtSearch.focus(); break;
	    case 1: alert("Введите 2 символа или больше!"); txtSearch.focus(); break;
	    default: window.location.replace("/search/"+Trim(txtSearch.value)+"/1/Name/Любой/False.aspx");
     }
}


function onTxtSearchClick()
{ 
    var txtSearch = document.getElementById('txtSearch');
    if (txtSearch.value == 'поиск товара')
        txtSearch.value = "";
}

function OnTxtSearchKeyDown(event)
{
    var e = event || window.event;
    if ((e.which && e.which == 13) || 
        (e.keyCode && e.keyCode == 13))
        onBtnSearchClick();
}