function headerBtnOver (curEl, btnStr) {
	curEl.parentNode.style.backgroundImage = "url(images/btn_"+btnStr+"_over.gif)";
}
function headerBtnOut (curEl, btnStr) {
	curEl.parentNode.style.backgroundImage = "url(images/btn_"+btnStr+"_out.gif)";
}
function gotoUrl (curUrl, target, winWidth, winHeight) {
	if (target == "_blank") {
		var popupStr = "";
		if (winWidth != "" && winHeight != "") {
			var left = (screen.width-winWidth)/2;
			var top = (screen.height-winHeight)/2;
			popupStr = "width="+winWidth+",height="+winHeight+",left="+left+",top="+top+",screenX="+left+",screenY="+top+",menubar=no,resizable=no,location=no,status=no,scrollbars=no";
		}
		win = window.open(curUrl, "win", popupStr);
		
	}else{
		location.href = curUrl;	
	}
}

function portfolioBtnOver (curEl) {
	curEl.parentNode.style.backgroundImage = "url(images/portfolioBtn_active.gif)";
}
function portfolioBtnOut (curEl) {
	curEl.parentNode.style.backgroundImage = "url(images/portfolioBtn_out.gif)";
}

function homeBtnOver (curEl, str) {
	curEl.src = "images/homeBtn_"+str+"_over.gif";
}
function homeBtnOut (curEl, str) {
	curEl.src = "images/homeBtn_"+str+"_out.gif";
}