function preloadimgs() {//v1.0
	var d=document,a=arguments;
	if(!d.DD_imgs) d.DD_imgs=new Array();
	
	for(var i = 0; i < a.length; i++) {
		d.DD_imgs[i]=new Image;
		d.DD_imgs[i].src=a[i];
	}
}

function MudarLang(pais) {
	var url = location.href;
	
	// strip any arguments
	var cutAt = url.indexOf('?');
	if (cutAt != -1) {
		url = url.substring(0, cutAt);
	}
	
	document.location = url + '?pais=' + pais.value;
}

function window_onload() {
	var h=window.screen.availHeight;
	var w=window.screen.availWidth;
	var h1=790;
	var w1=830;
	
	if (w<w1 & h<h1) {
		window.parent.resizeTo(800,600)
		window.moveTo((w-800)/2,(h-600)/2);
	}
	else {
		window.parent.resizeTo(w1,h1)
		window.moveTo((w-w1)/2,(h-h1)/2);  
	}
	preloadimgs('img/site/top1.png','img/site/logo_th_araujo.jpg','img/site/logo_th_insti.jpg');
}

function onencima(im){
	im.src = im.img2;
}

function onsaiu(im){
	im.src = im.img1;
}

function onclique(im,tx){
	im.src = im.img3;
	window.location = tx;
}

function vaiparacesto(im){
	im.src = im.img3;
	document.getElementById("btcesto").click();
}

function pesquisa(im){
	document.getElementById("btpesq").click();
}