function buscar(form){if(trim(form.texto.value)!=""){form.submit()
}}function checkValidDate(dateStr){var slash1=dateStr.indexOf("/");
if(slash1==-1){slash1=dateStr.indexOf("-")
}if(slash1==-1){return false
}var dateMonth=dateStr.substring(0,slash1);
var dateMonthAndYear=dateStr.substring(slash1+1,dateStr.length);
var slash2=dateMonthAndYear.indexOf("/");
if(slash2==-1){slash2=dateMonthAndYear.indexOf("-")
}if(slash2==-1){return false
}var dateDay=dateMonthAndYear.substring(0,slash2);
var dateYear=dateMonthAndYear.substring(slash2+1,dateMonthAndYear.length);
if((dateMonth=="")||(dateDay=="")||(dateYear=="")){return false
}for(var x=0;
x<dateMonth.length;
x++){var digit=dateMonth.substring(x,x+1);
if((digit<"0")||(digit>"9")){return false
}}var numMonth=0;
for(var x=0;
x<dateMonth.length;
x++){digit=dateMonth.substring(x,x+1);
numMonth*=10;
numMonth+=parseInt(digit)
}if((numMonth<=0)||(numMonth>12)){return false
}for(var x=0;
x<dateDay.length;
x++){digit=dateDay.substring(x,x+1);
if((digit<"0")||(digit>"9")){return false
}}var numDay=0;
for(var x=0;
x<dateDay.length;
x++){digit=dateDay.substring(x,x+1);
numDay*=10;
numDay+=parseInt(digit)
}if((numDay<=0)||(numDay>31)){return false
}if((numMonth==2)&&(numDay>29)){return false
}if((numMonth==4)||(numMonth==6)||(numMonth==9)||(numMonth==11)){if(numDay>30){return false
}}for(var x=0;
x<dateYear.length;
x++){digit=dateYear.substring(x,x+1);
if((digit<"0")||(digit>"9")){return false
}}var numYear=0;
for(var x=0;
x<dateYear.length;
x++){digit=dateYear.substring(x,x+1);
numYear*=10;
numYear+=parseInt(digit)
}if((dateYear.length!=2)&&(dateYear.length!=4)){return false
}if((numYear<50)&&(dateYear.length==2)){numYear+=2000
}if((numYear<100)&&(dateYear.length==2)){numYear+=1900
}if((numYear<=0)||(numYear>9999)){return false
}if((numMonth==2)&&(numDay==29)){var div4=numYear%4;
var div100=numYear%100;
var div400=numYear%400;
if(div4!=0){return false
}if((div100==0)&&(div400!=0)){return false
}}return true
};