var myimages=new Array();
	
function preloadImgs(){
	for (i=0;i<preloadImgs.arguments.length;i++){
		myimages[i]=new Image();
		myimages[i].src="images/" + preloadImgs.arguments[i];
	}
}

//preload left main nav
//preloadImgs("nav_profiles_on.gif", "nav_engineering_on.gif", "nav_artifacts_on.gif", "nav_videostories_on.gif", "nav_imagining_on.gif", "nav_dialogue_on.gif", "nav_about_on.gif");


function swapImg(img1,img2) {
	if (document.images) {
		document[img1].src = img2;
	}
}


function swapImg_main(imgnum,state,defaultnum) {
	if (document.images) {
		if (state=="on") {
			if (defaultnum!=0) {
				document["main"+defaultnum].src = "images/main_nav_"+defaultnum+"_off.gif";
			}
			document["main"+imgnum].src = "images/main_nav_"+imgnum+"_on.gif";
		} else if (state=="off") {
			document["main"+imgnum].src = "images/main_nav_"+imgnum+"_off.gif";
			if (defaultnum!=0) {
				document["main"+defaultnum].src = "images/main_nav_"+defaultnum+"_on.gif";
			}
		}
	}
}

function swapImg_main2(imgnum,state,defaultnum) {
	if (document.images) {
		if (state=="on") {
			if (defaultnum!=0) {
				document["main"+defaultnum].src = "../images/main_nav_"+defaultnum+"_off.gif";
			}
			document["main"+imgnum].src = "../images/main_nav_"+imgnum+"_on.gif";
			document["main_ro"].src = "../images/main_ro_"+imgnum+".gif";
		} else if (state=="off") {
			document["main"+imgnum].src = "../images/main_nav_"+imgnum+"_off.gif";
			if (defaultnum!=0) {
				document["main"+defaultnum].src = "../images/main_nav_"+defaultnum+"_on.gif";
			}
			document["main_ro"].src = "../images/main_ro_"+defaultnum+".gif";
		}
	}
}

function swapImg_main3(imgnum,state,defaultnum) {
	if (document.images) {
		if (state=="on") {
			if (defaultnum!=0) {
				document["main"+defaultnum].src = "../../images/main_nav_"+defaultnum+"_off.gif";
			}
			document["main"+imgnum].src = "../../images/main_nav_"+imgnum+"_on.gif";
			document["main_ro"].src = "../../images/main_ro_"+imgnum+".gif";
		} else if (state=="off") {
			document["main"+imgnum].src = "../../images/main_nav_"+imgnum+"_off.gif";
			if (defaultnum!=0) {
				document["main"+defaultnum].src = "../../images/main_nav_"+defaultnum+"_on.gif";
			}
			document["main_ro"].src = "../../images/main_ro_"+defaultnum+".gif";
		}
	}
}

new Image().src = "images/folopen.gif";
op="images/folopen.gif";
cl="images/folclose.gif";
function dd(obj){
	if(document.getElementById){document.getElementById(obj).style.display=='none'?document.getElementById(obj).style.display='':document.getElementById(obj).style.display='none';
	document.getElementById(obj+"i").src.indexOf('folclose')>0?document.getElementById(obj+"i").src=op:document.getElementById(obj+"i").src=cl}
	else if(document.all){document.all(obj).style.display=='none'?document.all(obj).style.display='':document.all(obj).style.display='none';
	document.all(obj+"i").src.indexOf('folclose')>0?document.all(obj+"i").src=op:document.all(obj+"i").src=cl}
	else if(document.layers){document.layers[obj].display=='none'?document.layers[obj].display='':document.layers[obj].display='none';
	document.layers[obj+"i"].src.indexOf('folclose')>0?document.layers[obj+"i"].src=op:document.layers[obj+"i"].src=cl}
}

function windowOpen(name,URL) {
        newWin = window.open(URL,name,"width=320, height=255");
        newWin.focus();
}