var price=100
var currency_sign="$"
var email=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
var num=/^\d{1,3}$/
var url=/^(https?|ftp):\/\/.*\..+$/i
var empty=/.+/
function $(e){
	return document.getElementById(e)
}
function init(){
	MM_preloadImages()
	if(document.getElementsByTagName){
		var anchors=document.getElementsByTagName("a")
		for(var i=0;i<anchors.length;i++)
			if(anchors[i].getAttribute("rel")=="external")
				anchors[i].target="_blank";
	}
}
window.onload=init