IE function is now accessible for all others fonctions. Each mediaqueries hack now works only with respective version of IE

IE function is now accessible for all others fonctions. 

Each mediaqueries hack now works only with respective version of IE:

"@media \0screen\,screen\9" for IE6,IE7,IE8
"@media \0screen" for IE8
"@media screen\9" for IE6,IE7
"@media screen\0" for IE8,IE9,IE10