// JavaScript Document
function seleccionar(obj){
	if(obj.nodeName.toLowerCase()=='textarea' || (obj.nodeName.toLowerCase()=='input' && obj.type=='text')){
		obj.select();
		return;
	}
	if (window.getSelection) { 
        var sel = window.getSelection();
        var range = document.createRange();
        range.selectNodeContents(obj);
        sel.removeAllRanges();
        sel.addRange(range);
    } 
	else if (document.selection) { 
    	document.selection.empty();
    	var range = document.body.createTextRange();
		range.moveToElementText(obj);
		range.select();
    }
}