ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

var activa = 1
var tablactiva = 1

function homerollover (imgname1,imgname2,imgname3,imgscr1,imgscr2,imgscr3){
document.images[imgname1].src = eval(imgscr1 + ".src")

if (ie4){
	document.images[imgname2].src = eval(imgscr2 + ".src");
	document.images[imgname3].src = eval(imgscr3 + ".src");
	}
else {
	document.texmain.document.images[imgname2].src = eval(imgscr2 + ".src");
	document.imgmain.document.images[imgname3].src = eval(imgscr3 + ".src");
	}
}

function piedepagina() { 

if(ie4) {
    innerWidth = document.body.clientWidth;
    innerHeight = document.body.clientHeight;
	}
	
	if (ns4) {  
    document.layers['pie'].left = innerWidth -  document.layers['pie'].clip.width;
    document.layers['pie'].top = innerHeight -  document.layers['pie'].clip.height;
	altura = parseInt (document.layers['pie'].top)
	if (altura < 350 ) document.layers['pie'].top = 350
	}
	else {
	
	piepagina = document.getElementsByTagName("div");
  
    piepagina['pie'].style.left = innerWidth - piepagina['pie'].offsetWidth;
    piepagina['pie'].style.top = innerHeight - piepagina['pie'].offsetHeight;
	altura = parseInt (piepagina['pie'].style.top);
	if (altura < 350) piepagina['pie'].style.top = 350
	}

}