function searchKeyword() {
	if(document.getElementById('lhqSearch').value.length >= 3) {
		var arrayPageSize = getPageSize();
		var objOverlay = document.getElementById('overlay');
		objOverlay.setAttribute('id','overlay');
		objOverlay.style.display = 'none';
		objOverlay.style.position = 'absolute';
		objOverlay.style.top = '0';
		objOverlay.style.left = '0';
		objOverlay.style.zIndex = '90';
		objOverlay.style.width = '100%';
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		objOverlay.style.display = 'block';
		objOverlay.style.visibility = 'visible';
		
		var objSearchBox = document.getElementById('searchBox');
		objSearchBox.style.top = '50px';
		objSearchBox.style.left = eval((arrayPageSize[0]-700)/2)+'px';
		objSearchBox.style.display = 'block';
		objSearchBox.style.visibility = 'visible';
		updateSearchBox('<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><center><img src="../images/loading.gif" width="32" height="32" /></center>');
		$myAjaxReq = new LhqSteelhand.web.sys.ajax.AjaxObj('keywords_search',updateSearchBox);
		$myAjaxReq.addParam('lhqSearchKeyword',document.getElementById('lhqSearch').value);
		$myAjaxReq.trigger();

		
	} else {
		alert("Das Stichwort muss mindestens 3 Zeichen\nlang sein um die Suche zu starten.");
	}
}

function alphaListByChar(slectedChar) {
	
	updateSearchBox('<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><center><img src="../images/loading.gif" width="32" height="32" /></center>');
	$myAjaxReq = new LhqSteelhand.web.sys.ajax.AjaxObj('keywords_list',updateSearchBox);
	$myAjaxReq.addParam('lhqAlphaListChar',slectedChar);
	$myAjaxReq.trigger();
}

function updateSearchBox(text,status,xml) {
	document.getElementById('searchBoxContent').innerHTML=(text);
}

function closeSearchBox() {
	document.getElementById('searchBox').style.visibility = 'hidden';
	document.getElementById('overlay').style.visibility = 'hidden';

}



function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}