if (document.images) {
img1on = new Image();
img1on.src = "images/nav_home_f2.gif";
img1off = new Image();
img1off.src = "images/nav_home.gif";

img2on = new Image();
img2on.src = "images/nav_colors_f2.gif";
img2off = new Image();
img2off.src = "images/nav_colors.gif";

img3on = new Image();
img3on.src = "images/nav_email_f2.gif";
img3off = new Image();
img3off.src = "images/nav_email.gif";

img4on = new Image();
img4on.src = "images/nav_about_f2.gif";
img4off = new Image();
img4off.src = "images/nav_about.gif";

}

function imgOn(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "on.src");
	}
}

function imgOff(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "off.src");
	}
}

function QuickColor(id) {
	var qcurl = 'quickcolor.php?id=' + id;
	var qcWin = window.open(qcurl,'quickcolor','width=450,height=400,scrollbars');
	qcWin.focus();
}

function PrintInvoice(order_number) {
	var piurl = 'invoice_printable.php?order_number=' + order_number;
	var piWin = window.open(piurl,'printinv','width=650,height=500,scrollbars');
	piWin.focus();
}

function submitonce(theform){
	if (document.all||document.getElementById){
		for (i=0;i<theform.length;i++){
			var tempobj=theform.elements[i]
			if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
				tempobj.disabled=true
		}
	}
	return true;
}

var clickcount=0;
function delbeginspace(str) {  //Çå³ý×Ö´®Ç°¿Õ¸ñ
	if (str.charAt(0) == ' ' | str.charCodeAt(0) == 12288){
	  str=str.substr(1);
	  str = delbeginspace(str);
	}
	return str;
}
function sendcheck() {
	var errmsg,founderr,re;
	founderr = false;
	errmsg = "";
	if (delbeginspace(document.cartinfo.first_name.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your first name is required";
		else
			errmsg = errmsg + "\n\r" + "Your first name is required";
	}
	if (delbeginspace(document.cartinfo.last_name.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your last name is required";
		else
			errmsg = errmsg + "\n\r" + "Your last name is required";
	}
	if (delbeginspace(document.cartinfo.email.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your email address is required";
		else
			errmsg = errmsg + "\n\r" + "Your email address is required";
	}
	if (delbeginspace(document.cartinfo.phone.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your phone number is required";
		else
			errmsg = errmsg + "\n\r" + "Your phone number is required";
	}
	if (delbeginspace(document.cartinfo.address.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your address is required";
		else
			errmsg = errmsg + "\n\r" + "Your address is required";
	}
	if (delbeginspace(document.cartinfo.city.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your city is required";
		else
			errmsg = errmsg + "\n\r" + "Your city is required";
	}
	if (delbeginspace(document.cartinfo.zip.value) == "") {
		founderr = true;
		if (errmsg == "")
			errmsg = "Your zip code is required";
		else
			errmsg = errmsg + "\n\r" + "Your zip code is required";
	}

	if (founderr) {
		window.alert(errmsg);
		return false;
	}
	else {
		clickcount=clickcount+1;
		if (clickcount != 1)
			 return false;
	}
}