function externalLinks() {

	if (!document.getElementsByTagName) return; 

	var anchors = document.getElementsByTagName('a');
 	for (var i=0; i<anchors.length; i++) { 

  		var anchor = anchors[i];
   		if (anchor.getAttribute('href') && anchor.getAttribute('rel') == 'external') anchor.target = '_blank';

 	}

}

function blog_hover1() {

	document.getElementById('blog_img').src = 'images/blog-hovered.jpg';
	
}
function blog_hover2() {

	document.getElementById('blog_img').src = 'images/blog-normal.jpg';
	
}

function ym_hover1() {

	document.getElementById('ym_img').src = 'images/online-hovered.jpg';
	
}
function ym_hover2() {

	document.getElementById('ym_img').src = 'images/online-normal.jpg';
	
}

function checkNews(){

	var email = document.getElementById('newsletter').value;
    if(email.length < 7){ 
		alert('Introduceti va rog o adresa valida de e-mail!');
		document.getElementById('newsletter').focus();
		return false;
    }	
    else{
       if((email.indexOf('@')==-1)||(email.indexOf('.')==-1)){
		alert('Introduceti va rog o adresa valida de e-mail!');
		document.getElementById('newsletter').focus();
		return false;
       }
       else{
       	 last = lastIndex('.', email);
         if((email.indexOf('@')==0)||(last>(email.length-3))||(email.indexOf('@')>lastIndex('.', email))){
		alert('Introduceti va rog o adresa valida de e-mail!');
		document.getElementById('newsletter').focus();
		return false;
         }
         else{
           var nr=numberOf('@', email)
           var nr2=numberOf('.', email)
           if((nr>1)||(nr2>5)){
		alert('Introduceti va rog o adresa valida de e-mail!');
		document.getElementById('newsletter').focus();
		return false;
           }
           else return true
         }
       } 
    }
}

function check_cauta() {
		
	x = document.getElementById('cauta').value;
	if(x.length < 2) {
		
		alert('Introduceti un cuvant de cel putin 2 caractere!');
		return false;
			
	}
		
	return true;
		
}