///
if (navigator.appName == "Netscape") {ns=true;} else {ns=false;}
///
win_ancho=screen.availWidth;
win_alto=screen.availHeight;
function abrePopup(path){
	win_w=300;
	win_h=200;
	posLeft=(win_ancho/2)-(win_w/2);
	posTop=(win_alto/2)-(win_h/2);
	winB = window.open(path, 'ventanaF', 'width='+win_w+', height='+win_h+', top='+posTop+', left='+posLeft+', scrollbars=no, status=no, resizable=no, toolbar=no, menubar=no');
	winB.focus();
}
//
function wl(ruta){
	window.location=ruta;
}
///
function imprimir() {
	if (window.print){ 
		window.print();
	}else{
		alert("Disculpe, opción no disponible\nIntente imprimir desde el menu archivo.");
	}
}
//
arrayCacheImgJpg = ['btn_c','btn_q','btn_s'];
arrayCacheImgGif = ['serv_sw','serv_emm','serv_tmcc','serv_prl','serv_prf','serv_at','serv_rl'];
//
cacheJpgOver=[];
cacheJpgPress=[];
for(im=0; im<arrayCacheImgJpg.length; im++){
	imagenCachear = 'img/'+arrayCacheImgJpg[im]+'_over.jpg';
	cacheJpgOver[im] = new Image();
	cacheJpgOver[im].src = imagenCachear;
}
cacheGifOver=[];
cacheGifPress=[];
for(im=0; im<arrayCacheImgGif.length; im++){
	imagenCachear = 'img/'+arrayCacheImgGif[im]+'_over.gif';
	cacheGifOver[im] = new Image();
	cacheGifOver[im].src = imagenCachear;
}
//
function deslizarTop(){
	var vel1 = 3;
	var vel2 = 5;
	var sec = 20;
	var y;
	var cy;
	var gy = 0;
	var scrollEngine;
	if(document.all){
		cy = document.body.scrollTop;
	}
	else if(document.layers || document.getElementById){
		cy = pageYOffset;
	}
	y = cy-gy;
	if(Math.abs(y)>400){
		cy = cy-(y/vel1);
		window.scroll(0,cy);
		scrollEngine = setTimeout("deslizarTop()",sec);	
	}else if(Math.abs(y)>0){
		cy = cy-(y/vel2);
		window.scroll(0,cy);
		scrollEngine = setTimeout("deslizarTop()",sec);	
	}else{
		window.scroll(0,0);
		clearTimeout(scrollEngine);
	}
}
//
function registro(address){
	var windowVar=window.open("http://www.ultrasonido2005.com.mx/formulario.asp","Registro","width=640,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no");
	windowVar.focus();
}