/*global.js*/

window.onload = function(){
	setTargetBlank();
	if((navigator.userAgent).indexOf("MSIE 6") != -1) ie6png();
}


//--------------------------------------------------------------------------------------------------

//Browser Detection/Redirection
detect();
function detect(){
	var userAgent = navigator.userAgent;
	//KEEP OUT: IE 5.0, IE 5.5, NN 7.x
	if(userAgent.indexOf("MSIE 5.0") != -1 || userAgent.indexOf("MSIE 5.5") != -1 || userAgent.indexOf("Netscape/7") != -1 ){
		//alert("Unsupported Browser: \n" + userAgent);
		location.href = "upgrade";
	}
}

//--------------------------------------------------------------------------------------------------
			
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

//--------------------------------------------------------------------------------------------------

//standards-compliant target="_blank" functionality
function setTargetBlank() {
	if (document.getElementsByTagName){
		var arrAnchors = document.getElementsByTagName("a");
		for (var i=0; i<arrAnchors.length; i++) {
			var anchor = arrAnchors[i];
			if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "blank"){
				anchor.target = "_blank";
			}
		}
	}
}

//--------------------------------------------------------------------------------------------------

function check_signup_form(){
	
	var the_form = document.forms["sign-up-form"];	
	var validated = true;
	var sErrors = "";
	
	if((the_form.elements["MERGE1"].value).length == 0) {
		validated = false;
		sErrors += "- Please enter your First Name.\n";
	}
	
	if((the_form.elements["MERGE2"].value).length == 0) {
		validated = false;
		sErrors += "- Please enter your Last Name.\n";
	}
	
	if((the_form.elements["MERGE0"].value).length == 0) {
		validated = false;
		sErrors += "- Please enter your Email address.\n";
	}
	
	if((the_form.elements["MERGE0"].value).length > 0 && ((the_form.elements["MERGE0"].value).indexOf("@") == -1 || (the_form.elements["MERGE0"].value).indexOf(".") == -1)) {
		validated = false;
		sErrors += "- Your email address must be in the format name@domain.com.\n";
	}
	
	if(validated) {
		the_form.submit();
	}else{
		alert(sErrors);
	}
	
}

function ie6png(){
	//alert("ie6png");
	var navitems = document.getElementById("nav1").getElementsByTagName("li");
	var className;
	for(i=0;i<navitems.length;i++){
		//alert(navitems[i].className);
		className = navitems[i].className;
		if(className.indexOf("item") != -1){
			navitems[i].getElementsByTagName("a")[0].style.backgroundImage = "url(images/nav"+className+".gif)";
		}
	}
}