// JavaScript Document
function mostrar_foto(path,id)
 {
    
   
    src=path + id;
    //alert(src);
    document.getElementById("img_principal").src=src;
 }


   	 
function validaremail(cadena)
{ 
	for (i=0;i<=cadena.value.length;i++)
		if ( (cadena.value.charAt(i) == ',') || (cadena.value.charAt(i) == ':') || (cadena.value.charAt(i) == '{') || (cadena.value.charAt(i) == '}') || (cadena.value.charAt(i) == '*') || (cadena.value.charAt(i) == '[') || (cadena.value.charAt(i) == ']') || (cadena.value.charAt(i) == '`') || (cadena.value.charAt(i) == '^') || (cadena.value.charAt(i) == '/') || (cadena.value.charAt(i) == '<') || (cadena.value.charAt(i) == '>') )
		{
			alert("The e-mail contains strange characters");
			return false
		}//Search for strange characters
		
	cad=cadena.value.split('@',cadena.value.length)
	
	if ( ( cad[0] == cadena.value ) || (cadena.value == "" ) )
	{
		alert("The e-mail must contain a (@)");
		cadena.focus();
		return false
	}
	else
	{
		cad2=cad[1].split('.',cad[1].length)
		if ( ( cad2[0] == cad[1] ) || (cad[1] == "" ) )
		{
			alert("The e-mail must contain a (.)");
			cadena.focus();
			return false
		}
		
	}
	if (window.document.Form_brochure.nombre.value == "" ) {
		alert("you must enter your name, please");
		window.document.Form_brochure.nombre.focus();
		return false
	}
}