function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	function login(SiteID){
	document.location = "denied_access.aspx"
	}
	
		
	function changeImages() {
		if (document.images) {
			if(preloadFlag){
				for (var i=0; i<changeImages.arguments.length; i+=2) {
					document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
				}
			}
		}
	}
	
	var preloadFlag = false;
	
	function preloadImages() {
		if (document.images) {
			img1_on = newImage("images/nav_bar_off.gif");
			img2_on = newImage("images/nav_bar_contact.gif");
			img3_on = newImage("images/nav_bar_case.gif");
			img4_on = newImage("images/nav_bar_how.gif");
			img5_on = newImage("images/nav_bar_who.gif");
			img6_on = newImage("images/nav_bar_how.gif");
			img7_on = newImage("images/nav_login.gif");
			img8_on = newImage("images/nav_login_on.gif");
			img9_on = newImage("images/case1_on.gif");
			img10_on = newImage("images/case1_off.gif");
			img11_on = newImage("images/case2_on.gif");
			img12_on = newImage("images/case2_off.gif");
			img13_on = newImage("images/case3_on.gif");
			img14_on = newImage("images/case3_off.gif");
			img15_on = newImage("images/case4_on.gif");
			img16_on = newImage("images/case4_off.gif");
			img17_on = newImage("images/main_who3.jpg");
			img18_on = newImage("images/main_what2.jpg");
			img19_on = newImage("images/main_case.jpg");
			img20_on = newImage("images/main_case1.jpg");
			img21_on = newImage("images/main_case2.jpg");
			img22_on = newImage("images/main_case3.jpg");
			img23_on = newImage("images/main_case4.jpg");
			img24_on = newImage("images/main_contact.jpg");
			img25_on = newImage("images/main_think.jpg");
			preloadFlag = true;
		}
	}
	
	
	function launch(x,w,h) {
    var winl = (screen.width - 220) / 2;
    var wint = (screen.height - 300) / 2;		
    var newWin = open(x, "login", "status=no,height=" + h + ",width=" + w + ",top=" + wint + ", left=" + winl + ",scrollbars=no,resizable=yes,toolbar=no");
    newWin.document.close();
    newWin.focus();
}


//contact form submission rules

function validateRequestInformation(){
		if(document.forms[0].name.value == ""){
			alert("Please enter your name.");
			document.forms[0].name.focus();
			return false;
		}
			if(document.forms[0].company.value == ""){
			alert("Please enter your company name.");
			document.forms[0].name.focus();
			return false;
		}	
		if(document.forms[0].email.value == ""){
			alert("Please enter your email address.");
			document.forms[0].phone.focus();
			return false;
		}		
		return true;	
	}