var array1 = [];
var array2 = [];
var array3 = [];
var array4 = [];
var a = 0;
var b = 0;
var c = 0;
var d = 0;



function slide1() {
	(function($) {
		$(array1[a]).fadeOut("slow");

		if(a == array1.length - 1) {
			a = 0;
		} else {
			a++;
		}

		$(array1[a]).fadeIn("slow", function() {
				setTimeout("slide1()", Math.round((13000-4000) * Math.random() + 6000));
		});
	})(jQuery);
}

function slide2() {
	(function($) {
		$(array2[b]).fadeOut("slow");

		if(b == array2.length - 1) {
			b = 0;
		} else {
			b++;
		}

		$(array2[b]).fadeIn("slow", function() {
				setTimeout("slide2()", Math.round((13000-4000) * Math.random() + 6000));
		});
	})(jQuery);
}

function slide3() {
	(function($) {
		$(array3[c]).fadeOut("slow");

		if(c == array3.length - 1) {
			c = 0;
		} else {
			c++;
		}

		$(array3[c]).fadeIn("slow", function() {
				setTimeout("slide3()", Math.round((13000-4000) * Math.random() + 6000));
		});
	})(jQuery);
}

function slide4() {
	(function($) {
		$(array4[d]).fadeOut("slow");

		if(d == array4.length - 1) {
			d = 0;
		} else {
			d++;
		}

		$(array4[d]).fadeIn("slow", function() {
				setTimeout("slide4()", Math.round((13000-4000) * Math.random() + 6000));
		});
	})(jQuery);
}


(function($) {
	$(document).ready(function() {
		if($("#slide1")) {
			$("#slide1 img").each(function(i) {
				array1.push(this);
			});
		}

		if($("#slide2")) {
			$("#slide2 img").each(function(i) {
				array2.push(this);
			});
		}

		if($("#slide3")) {
			$("#slide3 img").each(function(i) {
				array3.push(this);
			});
		}

		if($("#slide4")) {
			$("#slide4 img").each(function(i) {
				array4.push(this);
			});
		}

		setTimeout("slide1()", Math.round((13000-4000) * Math.random() + 6000));
		setTimeout("slide2()", Math.round((13000-4000) * Math.random() + 6000));
		setTimeout("slide3()", Math.round((13000-4000) * Math.random() + 6000));
		setTimeout("slide4()", Math.round((13000-4000) * Math.random() + 6000));
	});
})(jQuery);