// site wide javascript
start_ie_tnav = function() {
        if (!window.XMLHttpRequest) {
                navRoot = document.getElementById("nav0");
                for (i=0; i<navRoot.childNodes.length; i++) {
                        node = navRoot.childNodes[i];
			curCname = this.className;
                        if (node.nodeName=="LI") {
                                node.onmouseover=function() {
                                        this.className+=" over";
                                }
                                node.onmouseout=function() {
                                        if(!curCname) {
                                                this.className=this.className.replace(" over","");
                                        }
                                        else {
                                                this.className=this.className.replace(" over",curCname);
                                        }
                                }
                        }
                }
        }
}
function showPop(popId){
		closeAll();
		var popup = document.getElementById(popId);
		popup.className = 'show';
		document.getElementById('intro').className = 'hide';
}
function closeAll(){
		document.getElementById('pop1').className = 'hide';
		document.getElementById('pop2').className = 'hide';
		document.getElementById('pop3').className = 'hide';
		document.getElementById('pop4').className = 'hide';
		document.getElementById('pop5').className = 'hide';
}
function closePop(popId) {
		var popup = document.getElementById(popId);
		popup.className = 'hide';
		document.getElementById('intro').className = 'show';
}


// function/array set for handling plos (page load objects)
function set_plos() {
	window.onload = plos_go;
}

function plos_go() {
	for(var i = 0;i < plos.length;i++)
		eval(plos[i]);
}

function plo_add(jso){
	plos[plos.length] = jso;
}

var plos = new Array();

// set each function to initialize on page load here
// plo_add('some_func_name()');
plo_add('start_ie_tnav()');
set_plos();