function newImage(arg) {

	if (document.images) {

		rslt = new Image();

		rslt.src = arg;

		return rslt;

	}

}



function changeImages() {

	if (document.images && (preloadFlag == true)) {

		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) {

	

		home_button_dr2 = newImage("images/home_button_dr2.jpg");

		home_button_pat2 = newImage("images/home_button_pat2.jpg");

		

		nav_doctors_seminars2 = newImage("images/nav_doctors_seminar2.gif");

		nav_doctors_pub2 = newImage("images/nav_doctors_pub2.gif");

		nav_doctors_videos2 = newImage("images/nav_doctors_videos2.gif");

		nav_doctors_visitor2 = newImage("images/nav_doctors_visitor2.gif");

		nav_doctors_about2 = newImage("images/nav_doctors_about2.gif");

		nav_doctors_home2 = newImage("images/nav_doctors_home2.gif");

		

		nav_patients_points2 = newImage("images/nav_patients_points2.gif");

		nav_patients_myths2 = newImage("images/nav_patients_myths2.gif");

		nav_patients_treatments2 = newImage("images/nav_patients_treatments2.gif");

		nav_patients_body2 = newImage("images/nav_patients_body2.gif");

		nav_patients_about2 = newImage("images/nav_patients_about2.gif");

		nav_patients_home2 = newImage("images/nav_patients_home2.gif");

		

		nav_aboutus_about2 = newImage("images/nav_aboutus_about2.gif");

		nav_aboutus_staff2 = newImage("images/nav_aboutus_staff2.gif");

		nav_aboutus_office2 = newImage("images/nav_aboutus_office2.gif");

		nav_aboutus_letters2 = newImage("images/nav_aboutus_letters2.gif");

		nav_aboutus_privacy2 = newImage("images/nav_aboutus_privacy2.gif");

		nav_aboutus_home2 = newImage("images/nav_aboutus_home2.gif");

		

		preloadFlag = true;

	}

}



function popUp(url_in) {

  pop = window.open(url_in,"pop","toolbar=1,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,copyhistory=0,width=530,height=500");

  if(navigator.appVersion.substring(0,1) >= 3) {

    pop.focus();

  }

}