var flash = 1;
function setFlash() {
	if (flash == 1) {	
		document.getElementById('flash').style.color = "#FFFFFF";
		flash = 2;
		return true;
	} else {
		document.getElementById('flash').style.color = "#000000";
		flash = 1;
		return true;		
	}
}
var image = 1;
function swapCover() {
	if (image == 1) {
		cover.src = "images/new_bcover_sm.jpg";
		cover_view.src = "images/view_front.gif";
		document.getElementById("indextext1").style.display = "none";
		document.getElementById("indextext2").style.display = "";	
		image = 2;
		return true;	
		} else {
		cover.src = "images/new_fcover_sm.jpg";
		cover_view.src = "images/view_back.gif";
		document.getElementById("indextext1").style.display = "";
		document.getElementById("indextext2").style.display = "none";				
		image = 1;
		return true;	
	}
}
function enlargeCover() {
	if (image == 1) {
		window.open("images/new_fcover_bg.jpg","fcover","width=500,height=665,menubar=0,resizable=0,status=0,toolbar=0");
		return true;	
		} else {
		window.open("images/new_bcover_bg.jpg","bcover","width=500,height=665,menubar=0,resizable=0,status=0,toolbar=0");
		return true;	
	}
}
function enlargeJacket(url,name) {
	window.open(url,name,"width=300,height=659");
	return true;		
}

function resetErrors() {
	for (i=1;i<4;i++) {
		var cur = "error" + i;
		document.getElementById(cur).style.display = "none";
	}
}

function checkEmail(string) {
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!string.match(re)) {
        return false;
    } else {
        return true;
    }
} 

function validate(obj) {
	var error = false;
	if (obj.name.value == "") {
		resetErrors(); 
		document.getElementById('error1').style.display = "inline";
		obj.name.select();
		obj.name.focus();
		return false;
	} else if (obj.email.value == "") { 
		resetErrors();
		document.getElementById('error2').style.display = "inline";
		obj.email.select();
		obj.email.focus();
		return false;
	} else if (!checkEmail(obj.email.value)) {
		resetErrors();
		document.getElementById('error3').style.display = "inline";
		obj.email.select();
		obj.email.focus();
		return false;	
	} else {
		return true;
	}

}