function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeimages() {
	if (document.images && (preloadFlag == true)) {
		//var x = window.event.clientX;
		//var y = window.event.clientY;
		//var inside;
		
		//alert (x+" "+y);
		
		//if(openMenu != null){
		//	inside = isInside(x, y, openMenu)
		//}
		//else{
		//	inside = false
		//}
		
		for (var i=0; i<changeimages.arguments.length; i+=2) {
		//	if(!inside)
			document[changeimages.arguments[i]].src = changeimages.arguments[i+1];
		}
	}
}

function changeimagesOff() {
	if (document.images && (preloadFlag == true)) {
		var x = window.event.clientX;
		var y = window.event.clientY;
		var inside;
		
		//alert (x+" "+y);
		
		if(openMenu != null){
			inside = isInside(x, y, openMenu)
		}
		else{
			inside = false
		}
		
		for (var i=0; i<changeimagesOff.arguments.length; i+=2) {
			if(!inside)
			document[changeimagesOff.arguments[i]].src = changeimagesOff.arguments[i+1];
		}
	}
}

/*
function changeimagesOn() {
	if (document.images && (preloadFlag == true)) {
		var x = window.event.clientX;
		var y = window.event.clientY;
		var inside;
		
		//alert (x+" "+y);
		
		if(openMenu != null){
			inside = isInside(x, y, openMenu)
		}
		else{
			inside = false
		}
		
		for (var i=0; i<changeimages.arguments.length; i+=2) {
			if(!inside)
			document[changeimages.arguments[i]].src = changeimages.arguments[i+1];
		}
	}
}
*/


var preloadFlag = false;
function preloadimages() {
	if (document.images) {
		tn_main_hh_over = newImage("/images/tn-main_hh-over.gif");
		tn_main_eb_over = newImage("/images/tn-main_eb-over.gif");
		tn_main_mm_over = newImage("/images/tn-main_mm-over.gif");
		tn_main_supt_over = newImage("/images/tn-main_supt-over.gif");
		leftnav_default_learning_over = newImage("/images/leftnav-default_learning-ov.gif");
		leftnav_default_langlearn_over = newImage("/images/leftnav-default_langlearn-o.gif");
		leftnav_default_perorg_over = newImage("/images/leftnav-default_perorg-over.gif");
		leftnav_default_travel_over = newImage("/images/leftnav-default_travel-over.gif");
		leftnav_default_spritual_over = newImage("/images/leftnav-default_spritual-ov.gif");
		leftnav_default_leisure_over = newImage("/images/leftnav-default_leisure-ove.gif");
		leftnav_default_medical_over = newImage("/images/leftnav-default_medical-ove.gif");
		leftnav_default_ebooks_over = newImage("/images/leftnav-default_ebooks-over.gif");
		ln_default_learning_over = newImage("/images/leftnav/ln-default-learning-over.gif");
		ln_default_langlearn_over = newImage("/images/leftnav/ln-default-langlearn-over.gif");
		ln_default_perorg_over = newImage("/images/leftnav/ln-default-perorg-over.gif");
		ln_default_travel_over = newImage("/images/leftnav/ln-default-travel-over.gif");
		ln_default_spritual_over = newImage("/images/leftnav/ln-default-spritual-over.gif");
		ln_default_leisure_over = newImage("/images/leftnav/ln-default-leisure-over.gif");
		ln_default_medical_over = newImage("/images/leftnav/ln-default-medical-over.gif");
		ln_default_ebooks_over = newImage("/images/leftnav/ln-default-ebooks-over.gif");

		ln_ebook_business_over = newImage("/images/leftnav/ln-ebook-business-over.gif");
		ln_ebook_calcconv_over = newImage("/images/leftnav/ln-ebook-calcconv-over.gif");
		ln_ebook_entertain_over = newImage("/images/leftnav/ln-ebook-entertain-over.gif");
		ln_ebook_fantasy_over = newImage("/images/leftnav/ln-ebook-fantasy-over.gif");
		ln_ebook_fooddrnk_over = newImage("/images/leftnav/ln-ebook-fooddrnk-over.gif");
		ln_ebook_reference_over = newImage("/images/leftnav/ln-ebook-reference-over.gif");
		ln_ebook_health_over = newImage("/images/leftnav/ln-ebook-health-over.gif");
		ln_ebook_spiritual_over = newImage("/images/leftnav/ln-ebook-spiritual-over.gif");
		ln_ebook_kidsedu_over = newImage("/images/leftnav/ln-ebook-kidsedu-over.gif");
		ln_ebook_langlearn_over = newImage("/images/leftnav/ln-ebook-langlearn-over.gif");
		ln_ebook_law_over = newImage("/images/leftnav/ln-ebook-law-over.gif");
		ln_ebook_diction_over = newImage("/images/leftnav/ln-ebook-diction-over.gif");
		ln_ebook_leisure_over = newImage("/images/leftnav/ln-ebook-leisure-over.gif");
		ln_ebook_litfict_over = newImage("/images/leftnav/ln-ebook-litfict-over.gif");
		ln_ebook_medical_over = newImage("/images/leftnav/ln-ebook-medical-over.gif");
		ln_ebook_myssusp_over = newImage("/images/leftnav/ln-ebook-myssusp-over.gif");
		ln_ebook_nonfict_over = newImage("/images/leftnav/ln-ebook-nonfict-over.gif");
		ln_ebook_perdev_over = newImage("/images/leftnav/ln-ebook-perdev-over.gif");
		ln_ebook_productive_over = newImage("/images/leftnav/ln-ebook-productive-over.gif");
		ln_ebook_philippine_over = newImage("/images/leftnav/ln-ebook-philippine-over.gif");
		ln_ebook_romance_over = newImage("/images/leftnav/ln-ebook-romance-over.gif");
		ln_ebook_scifi_over = newImage("/images/leftnav/ln-ebook-scifi-over.gif");
		ln_ebook_spellers_over = newImage("/images/leftnav/ln-ebook-spellers-over.gif");
		ln_ebook_sports_over = newImage("/images/leftnav/ln-ebook-sports-over.gif");
		ln_ebook_thesauri_over = newImage("/images/leftnav/ln-ebook-thesauri-over.gif");
		ln_ebook_travel_over = newImage("/images/leftnav/ln-ebook-travel-over.gif");
		preloadFlag = true;
		//alert("lalalalala");
	}
}