// get element of page by id (cross-browser)
function elementById(Name) {
	if(navigator.appName.indexOf("Microsoft")!=-1) {
	// IE
		if(!eval('document.all("'+Name+'")')) return 0; else return document.all(Name);
  	}
  	else {
	// NN & others
    		if(!eval('document.'+Name))  {
			if (document.getElementById) {
				return eval('document.getElementById("'+Name+'")');
			} else
			return 0;
    		}
    		else
		return eval('document.'+Name);
	}
}
// open url in new window
function openUrl(s) 
{
	window.open(s);
}
// set element property (cross-browser)
function setProp(Name, Param, Val) {
	if(navigator.appName.indexOf("Microsoft")!=-1) {
	// IE
		if(!eval('document.all("'+Name+'")')) return 0; else eval('document.all("'+Name+'").style.'+Param+'='+Val);
  	}
  	else {
	// NN & others
    		if(!eval('document.'+Name))  {
			if (document.getElementById) {
				eval('document.getElementById("'+Name+'").style.'+Param+'='+Val);
			} else
			return 0;
    		}
    		else
		eval('document.'+Name+'.'+Param+'='+Val);
	}
}
// get element property (cross-browser)
function getProp(Name, Param) {
	if(navigator.appName.indexOf("Microsoft")!=-1) {
	// IE
		if(!eval('document.all("'+Name+'")'))
			return 0;
		else
			return eval('document.all("'+Name+'").style.'+Param);
  	}
  	else {
	// NN & others
    		if(!eval('document.'+Name))  {
			if (document.getElementById) {
				return eval('document.getElementById("'+Name+'").style.'+Param);
			} else
			return 0;
    		}
    		else
		return eval('document.'+Name+'.'+Param);
	}
}
function toggle(s)
{
    var layer = 'p'+s;
    var a = 'a'+s;
	if (getProp(layer, "display")!="none")
	{
		setProp(layer, "display", "'none'");
		setProp(a, "background",  "'url(plus.gif) 0 4px no-repeat'");
	}
	else
	{
		setProp(layer, "display",  "''");
		setProp(a, "background",  "'url(minus.gif) 0 4px no-repeat'");
	}
}
function toggleAll(num)
{
    var a = 'toggleall';
	if (getProp(a, "background").search('plus')==-1)
	{
		setProp(a, "background",  "'url(plus.gif) 0 4px no-repeat'");
		for(var i=1; i<num+1; i++)
		{
		    var layer = 'p'+i;
		    var a = 'a'+i;
			if (elementById(a)) {setProp(a, "background",  "'url(plus.gif) 0 4px no-repeat'");setProp(layer, "display", "'none'");}
		}
	}
	else
	{
		setProp(a, "background",  "'url(minus.gif) 0 4px no-repeat'");
		for(var i=1; i<num+1; i++)
		{
		    var layer = 'p'+i;
		    var a = 'a'+i;
			if (elementById(a)) {setProp(a, "background",  "'url(minus.gif) 0 4px no-repeat'");setProp(layer, "display",  "''");}
		}

	}
}
function toggleUpload()
{
	if (isUploadShow) setProp('uploadform', "display", "'none'"); else setProp('uploadform', "display", "''");
	isUploadShow = !isUploadShow;
}
function toggleMorpho()
{
	var upmorpho = elementById('upmorpho');
	var morpho = elementById('morpho');
	var value = (morpho.checked) ? '1' : '0';
	upmorpho.value = value;
}
var isUploadShow = false;