var browser = navigator.appName;

function init(){
	var linksMenu = document.getElementById('linksMenu');
	if(browser=='Netscape'){
		linksMenu.style.marginTop = '8px';
	}
}

function toggle(obj){
	var obj2 = document.getElementById(obj);
	if(obj2.style.display==''){
		obj2.style.display = 'none';
	}
	else{
		obj2.style.display = '';
	}
}

function themeChange(_elm){
	if (_elm.selectedIndex!=0) window.location.href='sub.php?action=search&themes='+_elm.options[_elm.selectedIndex].value;
}
function areaChange(_elm){
	if (_elm.selectedIndex!=0) window.location.href='sub.php?action=search&quartier='+_elm.options[_elm.selectedIndex].value;
}

function searchSelectChange(themeElm, areaElm){ 
	if (themeElm.selectedIndex!=0&&areaElm.selectedIndex!=0) window.location.href='sub.php?action=search&quartier='+areaElm.options[areaElm.selectedIndex].value+'&themes='+themeElm.options[themeElm.selectedIndex].value;
}

function searchSelectChange(){
	var myForm = document.getElementById('selectSearchForm');
	myForm.submit();

}

function showHideLayer(_elmId){
	var elm = document.getElementById(_elmId);
	if(elm.style.display==''){
		elm.style.display='none';
	}
	else elm.style.display='';
}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\\\s)'+searchClass+'(\\\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function viewExhibitionsHistory(){
	var expos = getElementsByClass('exhibition', document, 'div');
	for(var i=0; i<expos.length; i++){
		var expo = expos[i];
		expo.style.display = 'block';
	}
	document.getElementById("view_previous_exhibitions").style.display = 'none';
}