var toggle = function(element1, element2){
	var divsHide = getElementsByClass(element2);
	var divsShow = getElementsByClass(element1);

	for (var i = 0; i < divsHide.length; i++) {
		divsHide[i].style.display = 'none';
	}
	for (var i = 0; i < divsShow.length; i++) {
		divsShow[i].style.display = 'block';
	}
}

var getElementsByClass = function (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;
}

var toggleCat = function(element1) {
	if (document.getElementById(element1).style.display == 'none') {
		document.getElementById(element1).style.display = 'block';
	} else {
		document.getElementById(element1).style.display = 'none';
	}
}

var toggleAll = function(element1, element2) {
	document.getElementById(element1).style.display = 'block';
	document.getElementById(element2).style.display = 'block';
}

var switchTab = function(currTab, tabNav){
	var curr = document.getElementById(currTab);
	var tabs = document.getElementById(tabNav).getElementsByTagName('a');
	
	for (var i = 0; i < tabs.length; i++) {
		if (curr == tabs[i])
			curr.className = 'active';
		else
			tabs[i].className = '';
	}
}

var over = function(n, i) {
	document.images['thumb'+n].src = '_images/icons/thumb.php?f='+i;
}

var out = function(n) {
	document.images['thumb'+n].src = '_images/icons/trans.gif';
}

function deleteItem(item, id) {
	if (confirm("Are you sure you wish to delete this "+item+"?")) {
    	document.location = 'index.php?do=del&item='+item+'&id='+id;
 	}
}

function deleteProjectUser(item, user_id, project_id, user_name) {
	if (confirm("Are you sure you wish to remove "+user_name+" from this project?")) {
    	document.location = 'index.php?do=del&item='+item+'&id='+user_id+'&project_id='+project_id;
 	}
}

function deleteAssistant(item, user_id, coord_id) {
	if (confirm("Are you sure you wish to remove this assistant?")) {
    	document.location = 'index.php?do=del&item='+item+'&id='+user_id+'&coord_id='+coord_id;
 	}
}

function getPath(path){
	document.getElementById('pathInput').value = path;
}