pic1= new Image( ); 
pic1.src="pix/thumb_nav_01.jpg"; 
pic2= new Image( ); 
pic2.src="pix/thumb_nav_02.jpg"; 
pic3= new Image( ); 
pic3.src="pix/thumb_nav_03.jpg"; 
pic4= new Image( ); 
pic4.src="pix/thumb_nav_04.jpg"; 
pic5= new Image( ); 
pic5.src="pix/thumb_nav_05.jpg"; 


function js_over_main( NavObj,img_id ){
		//NavObj.src = NavObj.className == 'banner_nav_link' ? 'banner_nav_link_hover' : 'banner_nav_link';
		NavObj.src = 'pix/thumb_nav_0' + img_id + '.jpg';
}
function js_out_main( NavObj,img_id ){
		//NavObj.className = NavObj.className == 'banner_nav2_link' ? 'banner_nav_link2_hover' : 'banner_nav2_link';
		NavObj.src = 'pix/thumb_nav_off_0' + img_id + '.jpg';
}


function js_over( NavObj ){
		NavObj.className = NavObj.className == 'banner_nav_link' ? 'banner_nav_link_hover' : 'banner_nav_link';
}
function js_over2( NavObj ){
		NavObj.className = NavObj.className == 'banner_nav2_link' ? 'banner_nav_link2_hover' : 'banner_nav2_link';
}

function js_over3( NavObj ){
		NavObj.className = NavObj.className == 'banner_nav3_link' ? 'banner_nav_link3_hover' : 'banner_nav3_link';
}


function getReadyHTTP( rs ){for( var ak in aHTTP){if( aHTTP[ak].readyState == rs )return ak;}return false;}
function getElementObject(eid) {if (document.all){return document.all[eid];}if (document.getElementById) {return document.getElementById(eid);}if(document.layers){return document.layers[div_id];}}
function getHTTPObject() { var xmlhttp; /*@cc_on @if (@_jscript_version >= 5)try{xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");} catch (e) {try{xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");} catch (E) {xmlhttp = false;}} @else xmlhttp = false; @end @*/ if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {try {xmlhttp = new XMLHttpRequest();} catch (e){xmlhttp = false;}}return xmlhttp;}