function checkSearch() {
	var key = document.getElementById("keywords");
	if ( key.value == "" || key.value == "Please enter keyword") {
		alert('Please enter keyword!');
		key.focus();
		return false;
	}
	else {
		document.searchform.submit()
	}
}
var focus_width = 952
var focus_height = 209
var text_height = 0
var swf_height = focus_height + text_height
var pics = 'images/banner1.jpg|images/banner2.jpg|images/banner3.jpg|images/banner4.jpg'
var links = '#|#|#|#'
var texts = 'WPC extrusion line|HDPE gas/water tube machine|PET strap belt extrusion line|PC hollow grid sheet extrusion line'
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="' + focus_width + '" height="' + swf_height + '">');
document.write('<param name="allowScriptAccess" value="sameDomain"><param name="movie" value="flash/flash.swf"><param name="quality" value="high"><param name="bgcolor" value="#F0F0F0">');
document.write('<param name="menu" value="false"><param name=wmode value="transparent">');
document.write('<param name="FlashVars" value="pics=' + pics + '&links=' + links + '&texts=' + texts + '&borderwidth=' + focus_width + '&borderheight=' + focus_height + '&textheight=' + text_height + '">');
document.write('<embed src="flash/flash.swf" wmode="transparent" FlashVars="pics=' + pics + '&links=' + links + '&texts=' + texts + '&borderwidth=' + focus_width + '&borderheight=' + focus_height + '&textheight=' + text_height + '" menu="false" bgcolor="#F0F0F0" quality="high" width="' + focus_width + '" height="' + swf_height + '" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
document.write('</object>')