function getExternalLinks() {

	var links = document.getElementsByTagName('A');
	
	for (var i = 0; i < links.length; i++) {
		//if (links[i].className == 'external') {
		if ( -1 != links[i].className.search('external') ) {
			links[i].onclick = function() {
				self.open(this.href);
				return false;
			} 
		}
	}

}

function emptyTextfield(pObj, pDefaultValue) {
	pObj = document.getElementById(pObj);
	if (pObj.value == pDefaultValue) {
		pObj.defaultValue = pObj.value;
		pObj.value = '';
	}
}

function showSafariSearchField() {
	if ( navigator.userAgent.toLowerCase().indexOf("safari") > -1 ){
		document.getElementById("query").type ="search";
	}	
}

function openRefDetail(pLinkName, pSampleID) {
	var url = '/referenzen/' + pLinkName + '/detail-' + pSampleID;
	var rd = self.open(url, 'detailwin', 'width=800,height=480,scrollbars=0,toolbar=0,location=0,resizable=0');
	rd.focus();
}

function nextRandomImage(pImage) {
	document.images['pic'].src = pImage;
}

function initJS() {
	getExternalLinks();
	showSafariSearchField();
	//initLightbox();
}

window.onload = initJS;