// JavaScript Document
<!--
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) {
		but_home_o = newImage("images/but_home_o.gif");
		but_about_o = newImage("images/but_about_o.gif");
		but_survey_o = newImage("images/but_survey_o.gif");
		but_contact_o = newImage("images/but_contact_o.gif");
		but_login_o = newImage("images/but_login_o.gif");
		but_research_o = newImage("images/but_research_o.gif");
		but_feedback_o = newImage("images/but_feedback_o.gif");
		but_reports_o = newImage("images/but_reports_o.gif");
		preloadFlag = true;
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->