/* give anchors with attribute rel="external" a target attribute of "_blank" */

function external() {
	if (document.getElementsByTagName) {
		var i, a;
		a = document.getElementsByTagName('a');
		for( i in a ) {
			if( a[ i ].href && 
       			a[ i ].getAttribute( 'class' ) == 'external' ) a[i].target = '_blank';
   	//alert('a[i]='+a[i].href);
 			
 		};
 	};
};

window.onload = external;

/* external.js */