function initMenus() {
	//jQuery("#avocadolink").removeAttr("href");
	//jQuery("#avocadomenu").click(function() {
    openMenu("#avocadomenu");
    //});
}

function openMenu(theMenu) {
	if (jQuery(theMenu).is(".off")) {
		jQuery("#magmenu ul").slideUp("slow");
		jQuery("#avocadomenu ul").slideDown("slow");
		jQuery(theMenu+" ul ul li").addClass("hidden");
	}
}

function clearText(field){
    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;
}

function activatePlaceholders() {
    var detect = navigator.userAgent.toLowerCase(); 
    if (detect.indexOf("safari") > 0) return false;
    var inputs = document.getElementsByTagName("input");
    for (var i=0;i<inputs.length;i++) {
        if (inputs[i].getAttribute("type") == "text") {
            if (inputs[i].getAttribute("placeholder") && inputs[i].getAttribute("placeholder").length > 0) {
                inputs[i].value = inputs[i].getAttribute("placeholder");
                inputs[i].onclick = function() {
                    if (this.value == this.getAttribute("placeholder")) {
                        this.value = "";
                    }
                    return false;
                }
                inputs[i].onblur = function() {
                    if (this.value.length < 1) {
                        this.value = this.getAttribute("placeholder");
                    }
                }
            }
        }
    }
}


function balance() {
	/*var myHL = document.getElementById('magleftcolumn');
	var myHR = document.getElementById('magrightcolumn');
	
	var myHLbrut = myHL.offsetHeight;
	if(!myHLbrut) { myHLbrut = myHL.style.pixelHeight; }
	
	var myHRbrut = myHR.offsetHeight;
	if(!myHRbrut) { myHRbrut = myHR.style.pixelHeight; }
	
	if(myHLbrut != myHRbrut) {
		if(myHLbrut > myHRbrut) {
			chopImage('magleftcolumn',myHLbrut-myHRbrut);
		} else {
			chopImage('magrightcolumn',myHRbrut-myHLbrut);
		}
	}	*/
}

function chopImage(col,ammount) {
	var allImg = jQuery("#"+col+" .magpict img");
	var lastOne = allImg[allImg.length-1];
	var nextHeight = lastOne.height-ammount;
	var startHeight = ammount/2;
	jQuery(lastOne).crop(0, startHeight, nextHeight, lastOne.width, "http://avocado.yannbouschet.com/wordpress/wp-content/uploads/alpha0.gif");
}

/**
 * jQuery crop - takes (IMG) elements and crops them to the dimensions
 * given.  The result is the same image with a background image with the
 * height and width and an offset.  The new DIV should also carry across 
 * the existing style attributes of the image.
 *
 * @author Remy Sharp (leftlogic.com)
 * @date 2006-12-28
 * @example $("img").crop(x, y, height, width)
 * @example $("img").crop({ x: x, y: y, height: height, width: width })
 * @example $("img").crop(height, width)
 * @example $("img").crop(width)
 * @desc Crops image to dimensions given.  If only width (and height), 
 * x and y are selected randomly based on the image's height and width.
 *
 * @name crop
 * @type jQuery
 * @param Number x co-ordinate to start crop
 * @param Number y co-ordinate to start crop
 * @param Number height of final cropped image
 * @param Number width of final cropped image
 * @cat Plugin
 */
jQuery.fn.crop = function(x, y, height, width, transparentURL) {
	var o = {}
	
	if (x && typeof x == 'object') { // property object
		o['x'] = x['x'] || -1;
		o['y'] = x['y'] || -1;
		o['height'] = ((x['height'] || x['width']) || -1);
		o['width'] = x['width'] || x['height'] || -1;
		
		// note: this *will not* work in IE.
		o['transparentURL'] = x['transparentURL'] || "data:image/gif;base64,R0lGODlhAQABAIAAAMJ0IgAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==";
	} else if (arguments.length == 1) {
		o['x'] = -1;
		o['y'] = -1;
		o['height'] = x;
		o['width'] = x;
	} else if (arguments.length == 2) {
		o['x'] = -1;
		o['y'] = -1;
		o['height'] = x;
		o['width'] = y;
	} else {
		o['x'] = x;
		o['y'] = y;
		o['height'] = height;
		o['width'] = width || height;
		o['transparentURL'] = transparentURL;
	}
				
	return this.each(function() {
		var x = o.x;
		var y = o.y;
		var t = jQuery(this);
		
		if (o.x == -1) {
			x = Math.round((this.width - o.width + 1) * Math.random())
			if (this.width - x < o.width) x = 0;
		}
		if (o.y == -1) {
			y = Math.round((this.height - o.height + 1) * Math.random())
			if (this.height - y < o.height) y = 0;
		}

		t.height(o.height + 'px');
		t.width(o.width + 'px');
		
		var background = { 
			height: o.height + 'px', 
			width: o.width + 'px', 
			background: 'url(' + this.src + ') no-repeat -' + Math.abs(x) + 'px -' + Math.abs(y) + 'px' 
		};
		
		this.origSrc = this.src;
		this.src = o['transparentURL']; // transparent gif to fill image
		
		t.css(background); // crop!
	})
}