function init(){
	var img_arr = ["menu_main_over.gif","menu_newprod_over.gif","menu_checkout_over.gif","menu_acc_over.gif","menu_cart_over.gif","btn_add_cart_over.gif","btn_det_over.gif"];
	vec_preloadImage(img_arr,"images/");
}

function vec_swapImage(me){
	me.old = me.src;
	me.src = me.src.substr(0, me.src.length-6)+"over.gif";
	me.onmouseout = function(){
		this.src = me.old;
	}
}

function vec_textboxMsg(me ,msg){
	if(me.value == msg){
		me.value = "";
	}
	me.onblur = function(){
		if(me.value == msg || me.value == ""){
			me.value = msg;
		}
	};
}

function vec_preloadImage(preload_arr, prefix){
	var path_pre = prefix || "";
	var temp_img = new Array();
	for(i=0;i<preload_arr.length;i++){
		temp_img[i] = new Image();
		temp_img[i].src = path_pre+preload_arr[i];
	}
}

function show_hide(target){
	var theTD=document.getElementById(target);
	if(theTD.style.display =="none" || theTD.style.display == ""){
		theTD.style.display="block";
	}else{
		theTD.style.display="none";
	}
}
function st_toggleCheck(me, form_name){  
     var targets = document[form_name].elements;  
     for(i=0; i<targets.length; i++){  
          if(targets[i].type == "checkbox"){  
               targets[i].checked = me.checked;  
          }  
     }  
}