function callresource(whereto,width,height,name)
{
 if (! width) {width = 350};
 if (! height) {height = 200};
 var left = Math.ceil((screen.width/2) - (width/2));
 var top = Math.ceil((screen.height/2) - (height/2));
 
 var chrome = "channelmode=no, directories=no, fullscreen=no, location=no, menubar=no, resizable=no, scrollbars=no, status=no, titlebar=no, toolbar=no";
 var winprop = "width=" + width + ",height=" + height + ",top=" + top + ",left=" + left + ", " + chrome;
 var reswin = window.open(whereto, name, winprop);
}

function launcheGlossary(grade,word)
{
 var w = (grade < 3 || grade == "k") ? 553 : 533;
 var h = (grade < 3 || grade == "k") ? 375 : 420;
 var whereto = "/cgi-bin/schtemplate.cgi?template=/kids/mw/eglossary/eg_popup.thtml&grade="+grade;
 if(word!=null){
  whereto += "&word="+escape(word);
 }
 callresource(whereto,w,h,"eglossary");
}



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) {
		gk_over = newImage("/parents/mw/graphics/g_btn_eglos_over.gif");
		g1_over = newImage("/parents/mw/graphics/g_btn_mah_over.gif");
		g2_over = newImage("/parents/mw/graphics/g_btn_meg_over.gif");
		g3_over = newImage("/parents/mw/graphics/g_btn_mdm_over.gif");
		g4_over = newImage("/parents/mw/graphics/g_btn_aah_over.gif");
		g5_over = newImage("/parents/mw/graphics/g_btn_lit_over.gif");
		preloadFlag = true;
	}
}