// JavaScript Document
/************* 
**** <config> 
**/ 
startColor = "#3777CE"; // Color al sacar el mouse 
endColor = "#69A321"; // Color al pasar el mouse 

stepIn = 25; // retraso de fade in 
stepOut = 20; // retraso de fade out 

/* 
** poner true o false, true 
** da efecto a todos los links 
***/ 
autoFade = true; 
/* 
** poner true o false, true da fade 
** a todas las clases CSS 
***/ 
sloppyClass = true; 
/** 
**** </config> 
**************/ 

hexa = new makearray(16); 
for(var i = 0; i < 10; i++) 
	hexa[i] = i; 
	
hexa[10]="a"; hexa[11]="b"; hexa[12]="c"; 
hexa[13]="d"; hexa[14]="e"; hexa[15]="f"; 

document.onmouseover = domouseover; 
document.onmouseout = domouseout; 

startColor = dehexize(startColor.toLowerCase()); 
endColor = dehexize(endColor.toLowerCase()); 

var fadeId = new Array(); 

function dehexize(Color){ 
	var colorArr = new makearray(3); 
	for (i=1; i<7; i++){ 
		for (j=0; j<16; j++){ 
			if (Color.charAt(i) == hexa[j]){ 
				if (i%2 !=0) 
					colorArr[Math.floor((i-1)/2)]=eval(j)*16; 
				else 
					colorArr[Math.floor((i-1)/2)]+=eval(j); 
				} 
			} 
		} 
		
	return colorArr; 
} 


function domouseover() { 
	if(document.all){ 
		var srcElement = event.srcElement; 
		if ((srcElement.tagName == "A" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1)) 
			fade(startColor, endColor, srcElement.uniqueID, stepIn); 
	} 
} 

function domouseout() { 
	if (document.all){ 
		var srcElement = event.srcElement; 
		if ((srcElement.tagName == "A" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1)) 
			fade(endColor, startColor, srcElement.uniqueID, stepOut); 
	} 
} 

function makearray(n) { 
	this.length = n; 
	for(var i = 1; i <= n; i++) 
		this[i] = 0; 
	return this; 
} 

function hex(i) { 
	if (i < 0) 
		return "00"; 
				
	else if (i > 255) 
		return "ff"; 
		
	else 
		return "" + hexa[Math.floor(i/16)] + hexa[i%16];
} 

function setColor(r, g, b, element) { 
	var hr = hex(r);
	var hg = hex(g);
	var hb = hex(b); 
	element.style.color = "#"+hr+hg+hb; 
} 

function fade(s, e, element, step){ 
	var sr = s[0]; var sg = s[1]; var sb = s[2]; 
	var er = e[0]; var eg = e[1]; var eb = e[2]; 

	if (fadeId[0] != null && fade[0] != element){ 
		setColor(sr, sg, sb, eval(fadeId[0])); 
		var i = 1; 
		while(i < fadeId.length){ 
			clearTimeout(fadeId[i]); 
			i++; 
		} 
	} 

	for(var i = 0; i <= step; i++) { 
		fadeId[i+1] = setTimeout("setColor(Math.floor(" +sr+ " *(( " +step+ " - " +i+ " )/ " +step+ " ) + " +er+ " * (" +i+ "/" + 
		step+ ")), Math.floor(" +sg+ " * (( " +step+ " - " +i+ " )/ " +step+ " ) + " +eg+ " * (" +i+ "/" +step+ 
		")), Math.floor(" +sb+ " * ((" +step+ "-" +i+ ")/" +step+ ") + " +eb+ " * (" +i+ "/" +step+ ")), "+element+");", i*step); 
		} 
		
	fadeId[0] = element; 
}