function showDirectionsWindow() {
  var btn = document.getElementById('btnAdvSearch');
  var dv = document.getElementById('divDirections');
  if (btn != null && dv != null) {
    var p = getScreenOffset(btn);
    btn_width = 92;
    btn_height = 37;
    div_width = dv.clientWidth;
    offset_x = p.left - (btn_width / 2) + btn_width - div_width + 49;
    offset_y = p.top + 3;
    dv.style.visibility = 'visible';
    dv.style.left = offset_x + 'px';
    dv.style.top = offset_y + 'px';
  }
}

function getDrivingDirections(itm) {
  var s = 'txtStart';
  var e1 = 'txtEndLat';
  var e2 = 'txtEndLng';
  var sp = 'listItemSteps';
  var start = document.getElementById(s);
  var endlat = document.getElementById(e1);
  var endlng = document.getElementById(e2);
  var stepsPanel = document.getElementById(sp);
  if (start != null && endlat != null && endlng != null) {
    // do cleanup
    cleanup();
    directionsServiceRequest(start.value, new google.maps.LatLng(parseFloat(endlat.value), parseFloat(endlng.value)), stepsPanel);
  }
}

function closeDirections() {
  var dv = document.getElementById('divDirections');
  if (dv != null) {
    dv.style.visibility = 'hidden';
  }
}

function cleanup() {
  // remove directions display if needed
  removeDirectionsDisplay();
  // close advanced search window if open
  closeAdvSearch();
}

function showAdvSearchWindow() {
  var btn = document.getElementById('btnAdvSearch');
  var dv = document.getElementById('divAdvSearch');
  if (btn != null && dv != null) {
    var p = getScreenOffset(btn);
    btn_width = 92;
    btn_height = 37;
    div_width = dv.clientWidth;
    offset_x = p.left - (btn_width / 2) + btn_width - div_width + 49;
    offset_y = p.top + 3;
    dv.style.visibility = 'visible';
    dv.style.left = offset_x + 'px';
    dv.style.top = offset_y + 'px';
    showAdvSearchForm('ISC');
  }
}

function showAdvSearchForm(loctype) {
	var dv;
  var cnt;
  var btnServiceCenter;
  var btnPartsRetailer;
  if (loctype != 'ISC' && loctype != 'RETAIL') { return; }
  dv = document.getElementById('as_search_form');
  btnServiceCenter = document.getElementById('btnServiceCenter');
  btnPartsRetailer = document.getElementById('btnPartsRetailer');
  if (dv != null && btnServiceCenter != null && btnPartsRetailer != null) {
    if (loctype == 'ISC') {
      cnt = document.getElementById('advSearchForm_ISC');
      btnServiceCenter.className = 'as_sections_btn_sticky';
      btnPartsRetailer.className = 'as_sections_btn';
    } else {
      cnt = document.getElementById('advSearchForm_RETAIL');
      btnPartsRetailer.className = 'as_sections_btn_sticky';
      btnServiceCenter.className = 'as_sections_btn';
    }
    if (cnt != null) {
    	dv.innerHTML = cnt.innerHTML;
    }
  }
}

function validateAdvSearchForm(loctype) {
  var frm= document.getElementById('frmAdvSearch');
  var chkrd = document.getElementById('advSearch_rd');
  var chkzip = document.getElementById('advSearch_zip');
  var chkaddr = document.getElementById('advSearch_addr');
  var chkcity = document.getElementById('advSearch_city');
  var chkstate = document.getElementById('advSearch_state');
  var chkpartcat = document.getElementById('advSearch_partcat');
  var errmsg = document.getElementById('advSearch_errmsg');

	if (frm != null && chkrd != null && chkzip != null  && chkaddr != null  && chkcity != null  && chkstate != null  && errmsg != null) {

		if (loctype == 'RETAIL') {
      if (chkpartcat != null) {
        if (chkpartcat.value == '') {
          errmsg.innerHTML = 'Please enter all required fields!';
          return;
        }
      }
    }
    
    var searchtype = 0;
		if (chkaddr.value != '' && chkaddr.value != 'Enter Address' && chkcity.value != '' && chkcity.value != 'Enter City' && chkstate.value != '') {
			searchtype = 1;
		} else if (chkzip.value != '' && chkzip.value != 'Enter Zipcode') {
			searchtype = 2;
    } else if (chkcity.value != '' && chkcity.value != 'Enter City' && chkstate.value != '') {
			searchtype = 3;
    } else {
    	errmsg.innerHTML = 'Please enter all required fields!';
      return;
    }

		if (searchtype == 0) {
    	errmsg.innerHTML = 'Please enter all required fields!';
      return;
    }
    
    var fieldname;
    var fieldvalue;
    var hidden;

    fieldname = 'fc';
    fieldvalue = loctype;
    if (loctype == 'RETAIL') {
    	fieldvalue += ':' + chkpartcat.value;
    }
    createHidden(frm, fieldname, fieldvalue);
    
    fieldname = 'rd';
    fieldvalue = chkrd.value;
    createHidden(frm, fieldname, fieldvalue);


		switch (searchtype) {
    	case 1:
        fieldname = 'addr';
        fieldvalue = chkaddr.value + '+' + chkcity.value + '+' + chkstate.value;
        createHidden(frm, fieldname, fieldvalue);
      	break;
        
      case 2:
        fieldname = 'zip';
        fieldvalue = chkzip.value;
        createHidden(frm, fieldname, fieldvalue);
      	break;
        
      case 3:
        fieldname = 'city';
        fieldvalue = chkcity.value;
        createHidden(frm, fieldname, fieldvalue);
        fieldname = 'state';
        fieldvalue = chkstate.value;
        createHidden(frm, fieldname, fieldvalue);
      	break;
		}
    
    advancedSearch();
    
    frm.submit();

	}
}

function createHidden(frm, field, value) {
	if (frm != null && field != null && value != null) {
  	var hidden = document.createElement("input");
    hidden.type = "hidden";
    hidden.name = field;	
    hidden.value = value;
    frm.appendChild(hidden);
  }
}

function closeAdvSearch() {
  var dv = document.getElementById('divAdvSearch');
  if (dv != null) {
    dv.style.visibility = 'hidden';
  }
}

function showExitNoticeWindow(s) {
  var btn = document.getElementById('btnAdvSearch');
  var dv = document.getElementById('divExitNotice');
  var ws = document.getElementById('txtWebsite');
  if (btn != null && dv != null && ws != null) {
    var p = getScreenOffset(btn);
    btn_width = 92;
    btn_height = 37;
    div_width = dv.clientWidth;
    offset_x = p.left - (btn_width / 2) + btn_width - div_width + 4;
    offset_y = p.top - 10;
    dv.style.visibility = 'visible';
    dv.style.left = offset_x + 'px';
    dv.style.top = offset_y + 'px';
    // populate hidden link
    ws.value = 'http://' + s;
  }
}

function exitNoticeContinue() {
  var ws = document.getElementById('txtWebsite');
  if (ws != null) {
  	window.open(ws.value)
  }
  closeExitNotice();
}

function exitNoticeCancel() {
  closeExitNotice();
}

function closeExitNotice() {
  var dv = document.getElementById('divExitNotice');
  if (dv != null) {
    dv.style.visibility = 'hidden';
  }
}

function getScreenOffset(obj) {
  var curleft = curtop = 0;
  if (obj != null) {
    if (obj.offsetParent) {
      do {
        curleft += obj.offsetLeft;
        curtop += obj.offsetTop;
      } while (obj = obj.offsetParent);
    }
  }
  var point = {
    left: curleft,
    top: curtop
  };
  return point;
}