/*

// +----------------------------------------------------------------------+

// | Copyright (c) 2004 Bitflux GmbH                                      |

// +----------------------------------------------------------------------+

// | Licensed under the Apache License, Version 2.0 (the "License");      |

// | you may not use this file except in compliance with the License.     |

// | You may obtain a copy of the License at                              |

// | http://www.apache.org/licenses/LICENSE-2.0                           |

// | Unless required by applicable law or agreed to in writing, software  |

// | distributed under the License is distributed on an "AS IS" BASIS,    |

// | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |

// | implied. See the License for the specific language governing         |

// | permissions and limitations under the License.                       |

// +----------------------------------------------------------------------+

// | Author: Bitflux GmbH <devel@bitflux.ch>                              |

// +----------------------------------------------------------------------+



*/

var liveSearchReq = false;

var t = null;

var liveSearchLast = "";

var isIE = false;

var frmName = 'frmSearch';

var fieldName = 'livesearch';

var highlight = null;

// on !IE we only have to initialize it once

if (window.XMLHttpRequest) {

	liveSearchReq = new XMLHttpRequest();

}



window.onload = function () { liveSearchInit(); }



function liveSearchInit() {

	f = document.getElementById(fieldName);

	if (f) {

		if (navigator.userAgent.indexOf("Safari") > 0) {

			f.addEventListener("keydown",liveSearchKeyPress,false);

			f.setAttribute("autocomplete","off");

		} else if (navigator.product == "Gecko") {

			f.addEventListener("keypress",liveSearchKeyPress,false);

			f.setAttribute("autocomplete","off");

		} else {

			f.attachEvent('onkeydown',liveSearchKeyPress);

			isIE = true;

			f.setAttribute("autocomplete","off");

		}

	}

}



function liveSearchKeyPress(event) {

	if (event.keyCode == 40 ) {

		//KEY DOWN

		highlight = document.getElementById("LSHighlight");

		if (!highlight) {

			highlight = document.getElementById("LSRes").firstChild;

		} else {

			highlight.removeAttribute("id");

			highlight = highlight.nextSibling;

		}

		if (highlight) {

			highlight.setAttribute("id","LSHighlight");

		}

		if (!isIE) { event.preventDefault(); }

	} else if (event.keyCode == 38 ) {

		//KEY UP

		highlight = document.getElementById("LSHighlight");

		if (!highlight) {

			highlight = document.getElementById("LSRes").lastChild;

		} else {

			highlight.removeAttribute("id");

			highlight = highlight.previousSibling;

		}

		if (highlight) {

				highlight.setAttribute("id","LSHighlight");

		}

		if (!isIE) { event.preventDefault(); }

	} else if (event.keyCode == 27) {

		//ESC

		highlight = document.getElementById("LSHighlight");

		if (highlight) {

			highlight.removeAttribute("id");

		}

		document.getElementById("LSResult").style.display = "none";

	}

}

function liveSearchStart() {

	f = document.getElementById(fieldName);

	if (f.value.length > 1) {

		if (t) {

			window.clearTimeout(t);

		}

		t = window.setTimeout("liveSearchDoSearch()",500);

	}

}



function liveSearchDoSearch() {

	f = document.getElementById(fieldName);

	if (liveSearchLast != f.value) {

		if (liveSearchReq && liveSearchReq.readyState < 4) {

			liveSearchReq.abort();

		}

		if ( f.value == "") {

			document.getElementById("LSResult").style.display = "none";

			highlight = document.getElementById("LSHighlight");

			if (highlight) {

				highlight.removeAttribute("id");

			}

			return false;

		}

		if (window.XMLHttpRequest) {

		// branch for IE/Windows ActiveX version

		} else if (window.ActiveXObject) {

			liveSearchReq = new ActiveXObject("Microsoft.XMLHTTP");

		}

		liveSearchReq.onreadystatechange= liveSearchProcessReqChange;

		liveSearchReq.open("GET", baseUrl + "/xmlsearch.php?type=livesearch&q=" + f.value);

		liveSearchLast = f.value;

		liveSearchReq.send(null);

	}

}



function liveSearchProcessReqChange() {

	if (liveSearchReq.readyState == 1) {

		showSearchingIcon();

	}

	if (liveSearchReq.readyState == 4) {

		var  res = document.getElementById("LSResult");

		if (liveSearchReq.responseText != '') {

			res.firstChild.innerHTML = liveSearchReq.responseText;

			if (isIE) addHover(res.firstChild);

			if (liveSearchReq.responseText.indexOf('LSRow') > -1) {

				res.style.display = "block";

			} else {

				res.style.display = "none";

			}



		}

		setTimeout('hideSearchingIcon()', 500);

	}

}



function liveSearchSubmit() {

	var highlight = document.getElementById("LSHighlight");

	if (highlight && highlight.firstChild.firstChild) {

		keyword = highlight.firstChild.firstChild.nodeValue;

		document.getElementById('livesearch').value = keyword;

		document.forms.frmSearch.action = baseUrl + searchUrl + realescape(keyword);

		highlight.removeAttribute("id");

		liveSearchLast = keyword;

		closeResults();

		document.forms.frmSearch.submit();

		return false;

	} else {

		keyword = document.getElementById('livesearch').value;

		document.forms.frmSearch.action = baseUrl + searchUrl + realescape(keyword);

		return true;

	}

}



function realescape(urlstr) {

	urlstr = encodeURIComponent(urlstr);

	

	urlstr = urlstr.replace("/\+/","%2B");

	urlstr = urlstr.replace("/\*/","%2A");

	urlstr = urlstr.replace("/\(/","%28");

	urlstr = urlstr.replace("/\)/","%29");

	

	return urlstr;

}



function closeResults() {

	document.getElementById("LSResult").style.display = "none";

}



function hideSearchingIcon() {

	if (document.getElementById('imgSearching')) {

		document.getElementById('imgSearching').style.display = 'none';

	}

	if (document.getElementById('imgNotSearching')) {

		document.getElementById('imgNotSearching').style.display = 'inline';

	}

}



function showSearchingIcon() {

	if (document.getElementById('imgSearching')) {

		document.getElementById('imgSearching').style.display = 'inline';

	}

	if (document.getElementById('imgNotSearching')) {

		document.getElementById('imgNotSearching').style.display = 'none';

	}

}



function addHover(start) {

	for (i=0; i<start.firstChild.childNodes.length; i++) {

		if (start.firstChild.childNodes[i].className == 'LSRow') {

			start.firstChild.childNodes[i].onmouseover=function() {

				this.className+="_over";

				if (highlight) {

					highlight.removeAttribute("id");

				}

			}

			start.firstChild.childNodes[i].onmouseout=function() {

				this.className=this.className.replace("_over", "");

			}

		}

	}

}