// Global user functions

function miniPagina(param){
	for(var i =0;i<param.length;i++){
		var temp=param.charCodeAt(i);
		if((temp>=97&&temp<=122) || (temp>=48&&temp<=57) || temp == 95 || temp == 45 || temp == 33 || temp == 43){
		}else{
			return false;
		}
	}
	return true;
}