function changeCompSerMain(type) {
	 	if (type == "news") {
		 	document.all.newsTab.style.display = "inline";
	 		document.all.techTab.style.display = "none";
 	} else {
		 	document.all.newsTab.style.display = "none";
	 		document.all.techTab.style.display = "inline";
	 	}
	 }