function doChangeMenu(objMenu,cUrl){
	arrLinks = document.getElementsByTagName('a')
	for (i=0; i < arrLinks.length; i++){
		if (arrLinks[i].id.substring(0,5) == "mnlnk"){
			var strObjId = arrLinks[i].id.substring(5,7); 
			if (strObjId == objMenu.substring(2,4)){
				element = document.getElementById('mnlnk'+strObjId);
				element.className = "menulink_on"; 
			}else{
				element = document.getElementById('mnlnk'+strObjId);
				element.className = "menulink_off";
			}
		}
	}
	document.getElementById('iframecontent').src = cUrl;
}
	
function new_window(url, name, w, h, scroll) {
	var winl = (screen.availWidth - w) / 2;
	var wint = (screen.availHeight - h) / 2;
	properties = 'width='+w+', height='+h+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
	win = window.open(url, name, properties);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}