// JavaScript Document
var email_error=1;
var pass_error=1;
var pass_c_error=1;
var confirm_error=1;
var text_flash=new Array("... da naša deca postanu informisani, odgovorni, aktivni i saosećajni ljudi","ORCA - partner u obrazovanju","Obrazovanje i vaspitanje o dobrobiti životinja – za ljude, životinje i životnu sredinu");
var tf="tf";
var i=0;
var img_num=1;
function doFlash(text_flash){
		tf=parseInt(i++)%text_flash.length;
		textFlash("header_flash",text_flash[tf]);
	
}

function textFlash(container,text){
	document.getElementById(container).innerHTML=text;
}

function flashBg(container,mod){
	img_i=(parseInt(img_num++)%mod)+1
	document.getElementById(container).style.background="url(./img/header_img_"+img_i+".png) no-repeat top center"
}

function validate_name(field,button){
	var name=document.getElementsByName(field.name).item(0).value;
	if(name=="" && name!="unesite ime"){
		document.getElementsByName(button).item(0).disabled="disabled";
		document.getElementsByName(field.name).item(0).style.border="solid 1px #900";
	}
	else{
		document.getElementsByName(button).item(0).disabled="enabled";
		document.getElementsByName(field.name).item(0).style.border="solid 1px #090";
	}
}

function validate_email(field,button){
var alerttxt="Pogrešno unet imejl!";
with (field){
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2){
	  email_error=1;
	  document.getElementsByName(field.name).item(0).style.border="solid 1px #900";
	  document.getElementsByName(field.name).item(0).value="pogrešan imejl";
	  document.getElementsByName(button).item(0).disabled="disabled";
  }
  else{
	  if(email_error){
		  document.getElementsByName(field.name).item(0).style.border="solid 1px #ccc";
	  }
	 email_error=0;
	 document.getElementsByName(button).item(0).disabled="";
  }
}
}

function validate_password(field,button){
	var pword=document.getElementsByName(field.name).item(0).value;
	if(pword==""){
		pass_error=1;
 		document.getElementsByName(field.name).item(0).style.border="solid 1px #900";
	}
	else{
		pass_error=0;
		document.getElementsByName(field.name).item(0).style.border="solid 1px #ccc";
	}
}

function validate_email_c(field,field_c,button){
	var alerttxt="Pogrešno unet imejl!";
	with (field_c){
	  email_c=email=document.getElementsByName(field_c.name).item(0).value;
	  email=document.getElementsByName(field).item(0).value;
	  if(email!=email_c && email.length>2){
		  confirm_error=1;
		  document.getElementsByName(field_c.name).item(0).value="pogrešna potvrda imejla";
		  document.getElementsByName(field_c.name).item(0).style.border="solid 1px #900";
		  document.getElementsByName(button).item(0).disabled="disabled";
	  }
	  else {
		  confirm_error=0;
		  document.getElementsByName(button).item(0).disabled="";
	  }
	  
	  if(!confirm_error){
		  document.getElementsByName(field).item(0).style.border="solid 1px #090";
		  document.getElementsByName(field_c.name).item(0).style.border="solid 1px #090";
	  }  
   }
}

function validate_password_c(field,field_c,button){
	pword_c=email=document.getElementsByName(field_c.name).item(0).value;
	pword=document.getElementsByName(field).item(0).value;
	if(pword!=pword_c){
	  pass_error=1;
	  document.getElementsByName(field_c.name).item(0).style.border="solid 1px #900";
	  document.getElementsByName(button).item(0).disabled="disabled";
  	}
	else pass_c_error=0;
  	if(!pass_c_error){
		document.getElementsByName(field).item(0).style.border="solid 1px #090";
		document.getElementsByName(field_c.name).item(0).style.border="solid 1px #090";
		document.getElementsByName(button).item(0).disabled="";
	}
}

<!--setInterval("flashBg('header_bg_flash',4)",3000);-->