// JavaScript Document

function abresite(){
w=750;
h=420;
xpos=0;
ypos=0;
 if (screen){
 xpos= (screen.width - w)/2;
 ypos= (screen.height - h)/2;
 }

desktop = window.open('index.php','natal','toolbar=no,location=no,directories=no,status=no,scrollbars=no,menubar=no,resizable=no,width=' + w + ',height=' + h + ',left='+ xpos +',top='+ypos);
desktop.focus();


}

function validacao(entrada){

        if(entrada.nome.value==""){

			  alert("Por favor, digite seu nome")

			  entrada.nome.focus()

			  return false

			  }

			  if (!validemail(entrada.email.value)){

			  alert("Endereço de e-mail incorreto")

				entrada.email.focus()

				entrada.email.select()

				return false

				}

				if(entrada.mensagem.value==""){

				alert("Digite sua mensagem")

				entrada.mensagem.focus()

				return false

				}

}



function validemail(email){



				 invalid=(" /:,;")



			if(email==""){

			return false 

			}

				 	for(i=0;i<invalid.length;i++){

					badchar=invalid.charAt(i)

						if(email.indexOf(badchar,0) > -1){

						return false

						}																											

					}

			atpos=email.indexOf("@",1)

			if (atpos==-1){

			return false

			}

			if(email.indexOf("@",atpos+1)>-1){

			return false

			}

			periodpos=email.indexOf(".",atpos)

			if(periodpos==-1){

			return false

			}

			if (periodpos+3>email.length){

			return false

			}

			return true

}  



function printit(){  
if (window.print) {
    window.print() ;  
} else {
    var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
    WebBrowser1.ExecWB(6, 2);//Use a 1 vs. a 2 for a prompting dialog box    WebBrowser1.outerHTML = "";  
}
}