// JavaScript Document


function clickclear(thisfield) {
     if (thisfield.value == 'Search') {
          thisfield.value = "";
     }
}

function clickrecall(thisfield) {
     if (thisfield.value == "") {
          thisfield.value = 'Search';
     }
}

NS4 = (document.layers) ? true : false;

function checkEnterHP(event, xform)
{     
    var code = 0;
    
    if (NS4)
        code = event.which;
    else
        code = event.keyCode;
        
     //alert(code);
        
    if (code==13){
     
        submitHPSearch();
        
     }
}

function submitHPSearch() {

     xform = document.hpsearch;
     
     if(xform) {
     
          copyFormValue( 'sprice', 'sp' );
          copyFormValue( 'eprice', 'ep' );
          copyFormValue( 'ssize', 'ss' );
          copyFormValue( 'esize', 'es' );
     
     
          var volume_checkbox = document.getElementById('vlx');
          if( volume_checkbox ) {
               if( volume_checkbox.checked ){
               
                    var dest_field = document.getElementById('sg');
                    dest_field.value = '1';
                    
                    
               }
          }
          
     
     
          xform.action="/search.php";
          xform.submit();
     }

}

function copyFormValue( source_name, dest_name ){

          var source_field = document.getElementById(source_name);
          var dest_field = document.getElementById(dest_name);
          
          //alert( sprice_adv_field.value );
          if(source_field) {
               if( dest_field ) {
                    dest_field.value = source_field.value;
               }
               
          }
}

function submitRefineSearch() {

     xform = document.rsform;
     
     if( xform.sgx.checked ){
     
          xform.sg.value = 1;
     
     }
     
     if(xform) {
          xform.action="/search.php";
          xform.submit();
     }

}

/**
 * changes the sort order for a list view page
 */  
function sortChange( action ){
 
     var sort_order_select = document.getElementById('so');
 
     if( sort_order_select ) {
          
          var so_value = sort_order_select.options[sort_order_select.selectedIndex].value; 
          
          window.location = action + '&so='+so_value;
     
     }
}