function Abrir_Ventana(a,b,c,d,e,f,g,h,i,j)
{	//a 	=	URL
	//b		=	width
	//c		=	height
	//d		=	scrollbars
	//e		=	menubar
	//f		=	location
	//g		=	resizable
	//h		=	top
	//i		=	left
	
	var ok = true;
	parametros = "";
	if (c == "")
	{	c = screen.width;
	}
	if (d == "")
	{	d = screen.height;
	}
	
	if (c != "")	{	parametros += "width="+c }
	if (d != "")	{	parametros += ",height="+d; }
	j=(screen.width/2)-(c/2);
	i=(screen.height/2)-(d/2);
	if (parametros != "")
	{	if (e != "")	{	parametros += ",scrollbars="+e; }
		if (f != "")	{	parametros += ",menubar="+f; }
		if (g != "")	{	parametros += ",location="+g; }
		if (h != "")	{	parametros += ",resizable="+h; }
		if (i != "")	{	parametros += ",top="+i; }
		if (j != "")	{	parametros += ",left="+j; }
	}
	else
	{	var ok = false;
	}
	
	if (ok = false)
	{	alert("Disculpe, pero el enlace no esta disponible");
	}
	else
	{	window.open(a,b,parametros)
	}
}


function PopUp(img){ 

foto1= new Image(); 
foto1.src=(img); 
Control(img); 
} 
function Control(img){ 
    if((foto1.width!=0)&&(foto1.height!=0)){ 
        verFoto(img); 
    }else{ 
        funcion="Control('"+img+"')"; 
        intervalo=setTimeout(funcion,20); 
        } 
    } 
function verFoto(img){

	ancho=foto1.width+20; 
    alto=foto1.height+20;
	
	left=(screen.width/2)-(ancho/2);
	tope=(screen.height/2)-(alto/2);
	
	
    cadena="width="+ancho+",height="+alto+",left="+left+",top="+tope; 
    ventana=window.open(img,"",cadena); 
}