// Shadows



// INFO NAVIGATEUR



var isIE = navigator.userAgent.toLowerCase().indexOf("msie") > -1; 

var isMoz = document.implementation && document.implementation.createDocument; 

var isSafari = ((navigator.userAgent.toLowerCase().indexOf('safari')!=-1)&&(navigator.userAgent.toLowerCase().indexOf('mac')!=-1))?true:false; 

var arVersion = navigator.appVersion.split("MSIE")

var version = parseFloat(arVersion[1])



// GETELEMENTSBYDID

function getElementsByClassName(className, tag, elm){

	var testClass = new RegExp("(^|s)" + className + "(s|$)");

	var tag = tag || "*";

	var elm = elm || document;

	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);

	var returnElements = [];

	var current;

	var length = elements.length;

	for(var i=0; i<length; i++){

		current = elements[i ];

		if(testClass.test(current.className)){

			returnElements.push(current);

		}

	}

	return returnElements;

}





// FIXER LA TRANSPARENCE POUR IE

function debug_IE() {

	

	if ((version >= 6 && version < 7) && (document.body.filters)) 

		{

		   for(var i=0; i<document.images.length; i++)

		   {

			  var img = document.images[i]

			  var imgName = img.src.toUpperCase()

			  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")

			  {

				

				 var imgStyle = "display:inline-block;" + img.style.cssText 

				

				 var strNewHTML = "<span " 

				 + " style=\"overflow:hidden;" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"

				 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"

				 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 

				 img.outerHTML = strNewHTML

				 i = i-1

			  }

		   }

		}

}



// EFFACER TOUS LES STYLES HERITES









function shadows(){

	

	if (((isIE==true) && (version >= 6)) || (typeof(isMoz)!='undefined') || (isSafari==true)){

	

		// SETTING

		setting=arguments[0];

		className=setting.className;

		opacity=((typeof(setting.opacity) == 'undefined') ? 100 : setting.opacity*10);

		_top=((typeof(setting.top) == 'undefined') ? 13 : setting.top);

		_right=((typeof(setting.right) == 'undefined') ? 13 : setting.right);

		_bottom=((typeof(setting.bottom) == 'undefined') ? 13 : setting.bottom);

		_left=((typeof(setting.left) == 'undefined') ? 13 : setting.left);

	

		// BOUCLE SUR LES CLASSES

		for(t=0;t<setting.className.length;t++){

			

			objects=getElementsByClassName(className[t]);

			

			// BOUCLE SUR LES OBJETS DE LA CLASSE

			for (i=0; i<objects.length; i++){

				

				// VALEUR DE LA POSITION et du Z-INDEX

				if(objects[i].style.position=='')objects[i].style.position="relative";

				if(objects[i].style.zIndex=='')objects[i].style.zIndex=1000000;

							

				// COORD DE L'ELEMENT

				left_=objects[i].offsetLeft;

				top_=objects[i].offsetTop;

				width_=objects[i].offsetWidth;

				height_=objects[i].offsetHeight;

				

				

				// DIV PRINCIPAL

				shadowBox=document.createElement('div');

				shadowBoxStyle=shadowBox.style;

				shadowBoxStyle.left=left_-_left+'px';

				shadowBoxStyle.top=top_-_top+'px';

				shadowBoxStyle.width=width_+_right+_left+'px';

				shadowBoxStyle.height=height_+_top+_bottom+'px';

	

				shadowBoxStyle.position='absolute';

				shadowBoxStyle.zIndex=objects[i].style.zIndex-1;

				

				//TOP

				img_T=document.createElement('img');

				img_T.src="shadows/shadow_top_"+opacity+".png";

				img_T.style.position="absolute";

				img_T.style.top="0px";

				img_T.style.width=width_+'px';

				img_T.style.height=_top+'px'

				img_T.style.margin='0 '+_right+'px 0 '+(_left)+'px';

				shadowBox.appendChild(img_T);

				

				//BOTTOM

				img_B=document.createElement('img');

				img_B.src="shadows/shadow_bottom_"+opacity+".png";

				img_B.style.position="absolute";

				img_B.style.bottom="0px";

				img_B.style.width=width_+'px';

				img_B.style.height=_bottom+'px'

				img_B.style.margin='0 '+_right+'px 0 '+(_left)+'px';

				shadowBox.appendChild(img_B);

				

				//LEFT

				img_L=document.createElement('img');

				img_L.src="shadows/shadow_left_"+opacity+".png";

				img_L.style.position="absolute";

				img_L.style.left="0px";

				img_L.style.height=height_+'px';

				img_L.style.width=_left+'px'

				img_L.style.margin=_top+'px 0 '+_bottom+'px 0';

				shadowBox.appendChild(img_L);

				

				//RIGHT

				img_R=document.createElement('img');

				img_R.src="shadows/shadow_right_"+opacity+".png";

				img_R.style.position="absolute";

				img_R.style.right="0px";

				img_R.style.height=height_+'px';

				img_R.style.width=_right+'px'

				img_R.style.margin=_top+'px 0 '+_bottom+'px 0';

				shadowBox.appendChild(img_R);

				

				// CORNER TOP LEFT

				img_TL=document.createElement('img');

				img_TL.src="shadows/shadow_corner_TL_"+opacity+".png";

				img_TL.style.position="absolute";

				img_TL.style.top='0px'

				img_TL.style.left='0px'

				img_TL.style.height=_top+'px';

				img_TL.style.width=_left+'px';

				shadowBox.appendChild(img_TL);

				

				// CORNER TOP RIGHT

				img_TR=document.createElement('img');

				img_TR.src="shadows/shadow_corner_TR_"+opacity+".png";

				img_TR.style.position="absolute";

				img_TR.style.top='0px'

				img_TR.style.right='0px'

				img_TR.style.height=_top+'px';

				img_TR.style.width=_right+'px';

				shadowBox.appendChild(img_TR);

				

				// CORNER BOTTOM LEFT

				img_BL=document.createElement('img');

				img_BL.src="shadows/shadow_corner_BL_"+opacity+".png";

				img_BL.style.position="absolute";

				img_BL.style.bottom='0px'

				img_BL.style.left='0px'

				img_BL.style.height=_bottom+'px';

				img_BL.style.width=_left+'px';

				shadowBox.appendChild(img_BL);

				

				// CORNER BOTTOM RIGHT

				img_BR=document.createElement('img');

				img_BR.src="shadows/shadow_corner_BR_"+opacity+".png";

				img_BR.style.position="absolute";

				img_BR.style.bottom='0px'

				img_BR.style.right='0px'

				img_BR.style.height=_bottom+'px';

				img_BR.style.width=_right+'px';

				shadowBox.appendChild(img_BR);

	

	

				

				// APPLY

				objects[i].parentNode.appendChild(shadowBox);			

				

				

			}

		}

		//DEBUG

		debug_IE() 	

	}

}