function ExternalOpen() { 
	if (!(null==document.links) && document.links.length>0) {
		for (i=0;i<document.links.length;i++) {
			if ( document.links[ i ].hostname > '' && 'http:' == document.links[ i ].protocol && (document.links[ i ].pathname.toLowerCase().indexOf('showmedium.asp')>0 || document.links[ i ].pathname.toLowerCase().indexOf('edia(')>0 || document.links[ i ].pathname.toLowerCase().indexOf('.pdf')>0 || (document.links[ i ].hostname.toLowerCase().indexOf(document.location.hostname)==-1 ) ))  
				document.links[ i ].target = 'siteExtern';
		}
	}
}

if ( typeof window.addEventListener != "undefined" )
	window.addEventListener( "load", ExternalOpen, false );
else if ( typeof window.attachEvent != "undefined" )
	window.attachEvent( "onload", ExternalOpen );