function openWindow( pageToLoad, winName, width, height, center) {
                                 
	    xposition=0; yposition=0;
	    if ((parseInt(navigator.appVersion) >= 4 ) && (center)){
	        xposition = (screen.width - width) / 2;
	        yposition = (screen.height - height) / 2;
	    }
	    args = "width=" + width + "," 
	    + "height=" + height + "," 
	    + "location=0," 
	    + "menubar=0,"
	    + "resizable=0,"
	    + "scrollbars=0,"
	    + "status=0," 
	    + "titlebar=0,"
	    + "toolbar=0,"
	    + "hotkeys=0,"
	    + "screenx=" + xposition + ","  //NN Only
	    + "screeny=" + yposition + ","  //NN Only
	    + "left=" + xposition + ","     //IE Only
	    + "top=" + yposition;           //IE Only
	
	    window.open( pageToLoad,winName,args );
	}

	
	function openWindow2( pageToLoad, winName, width, height, center) {
                                 
	    xposition=0; yposition=0;
	    if ((parseInt(navigator.appVersion) >= 4 ) && (center)){
	        xposition = (screen.width - width) / 2;
	        yposition = (screen.height - height) / 2;
	    }
	    args = "width=" + width + "," 
	    + "height=" + height + "," 
	    + "location=0," 
	    + "menubar=0,"
	    + "resizable=1,"
	    + "scrollbars=1,"
	    + "status=0," 
	    + "titlebar=0,"
	    + "toolbar=0,"
	    + "hotkeys=0,"
	    + "screenx=" + xposition + ","  //NN Only
	    + "screeny=" + yposition + ","  //NN Only
	    + "left=" + xposition + ","     //IE Only
	    + "top=" + yposition;           //IE Only
	
	    window.open( pageToLoad,winName,args );
	}

		

var FormHasBeenSubmitted = null

function checkinput(f) {
	if (FormHasBeenSubmitted) return false;
	 err_msg = "Sorry. There are problems with your submission.\nPlease recheck the following required fields and resubmit the form.\n\n";
	if (contactForm.name.value == "" || contactForm.name.value == "required") 
	{
	    contactForm.email.style.backgroundColor='#ffffff';
		contactForm.phone.style.backgroundColor='#ffffff';
		contactForm.fax.style.backgroundColor='#ffffff';
		contactForm.message.style.backgroundColor='#ffffff';
		alert(err_msg + "\"Name\" is a required field.");
		contactForm.name.focus();
		contactForm.name.value = '';
		contactForm.name.style.backgroundColor='#d9d919';
		return false;
	}
	
	
	if (contactForm.email.value != "")
	   {
	   contactForm.name.style.backgroundColor='#ffffff';
	   contactForm.phone.style.backgroundColor='#ffffff';
	   contactForm.fax.style.backgroundColor='#ffffff';
	   contactForm.message.style.backgroundColor='#ffffff';	
	  if (contactForm.email.value.indexOf("@") == -1 || contactForm.email.value.indexOf("@") == 1 || contactForm.email.value.indexOf(".") == 0 || contactForm.email.value.indexOf(".") == -1) {
		alert(err_msg + "\"Email\" format is invalid. Please check your email and try again.");
		contactForm.email.focus();
		contactForm.email.style.backgroundColor='#d9d919';
		return false;
	}
	}
	
	
	if (contactForm.phone.value == "" || contactForm.phone.value == "required")
	   {
	    contactForm.name.style.backgroundColor='#ffffff';
		contactForm.email.style.backgroundColor='#ffffff';
		contactForm.fax.style.backgroundColor='#ffffff';
	    contactForm.message.style.backgroundColor='#ffffff';
		alert(err_msg + "\"Phone\" is a required field.");
		contactForm.phone.focus();
		contactForm.phone.value = '';
		contactForm.phone.style.backgroundColor='#d9d919';
		return false;
	}
			
	if (contactForm.message.value == "" || contactForm.message.value == "required") 
	   {
	    contactForm.name.style.backgroundColor='#ffffff';
	    contactForm.email.style.backgroundColor='#ffffff';
	    contactForm.phone.style.backgroundColor='#ffffff';
	    contactForm.fax.style.backgroundColor='#ffffff';
		alert(err_msg + "\"Message\" is a required field.");
		contactForm.message.focus();
		contactForm.message.value = '';
		contactForm.message.style.backgroundColor='#d9d919';
		return false;
	}	
	
			
	FormHasBeenSubmitted = true;
	return true;

  }