function openLink(parameterStr) {
	if (typeof(parameterStr) == 'string' && parameterStr.length > 0) {
		eval("params = "+parameterStr+";");
		if (params != null) {
			if (params.newWindow)
				window.open(params.url);
			else
				document.location.href = params.url;
		}
	}
}


function popUp(name,href,width,height,xpos,ypos,options) {
	if (options.length > 0 && options.charAt(options.length-1) != ',')
		options += ',';
	if (typeof(options) != 'string')
		options = "";
	if (xpos < 0)
		xpos = (screen.width - width) / 2;
	if (ypos < 0)
		ypos = (screen.height - height) / 2;
	if (width > 0)
		options += "width="+width+",";
	if (height > 0)
		options += "height="+height+",";
	// open window
	var newWin = window.open(href,name,options+"screenX="+xpos+",screenY="+ypos+",top="+ypos+",left="+xpos);
}