var PNG = {
	init: function(){
		try{
		var arVersion = navigator.appVersion.split("MSIE")
		var version = parseFloat(arVersion[1])
		if ((version >= 5.5) )
		{
		   var capa = document.getElementById('cobertorfoto2');
		         var imgID = ""
		         var imgClass = "";
		         var imgTitle = "";
		         var imgStyle = "display:block;" 
		         var strNewHTML = "<span " + imgID + imgClass + imgTitle
		         + " style=\"" + "width:199px; height:205px;" + imgStyle + ";"
		         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
		         + "(src=\'/empresas/productos/images/cobertor.png\');\"></span>"
		         
		         capa.innerHTML = strNewHTML;		   
		} 
		}catch(err){
			alert(err.description)
		} 
	},

	addLoadEvent : function (func) {
		  var oldonload = window.onload;
		  if (typeof window.onload != 'function') {
		    window.onload = func;
		  } else {
		    window.onload = function() {
		      if (oldonload) {
		        oldonload();
		      }
		      func();
		    }
	  }
	}
}	
		  

PNG.addLoadEvent(PNG.init);