function changeImg(variable1, variable2) {
	var gallery = document.getElementById("img_produit");
	gallery.setAttribute("src", variable1);
	if (document.getElementById("vue1"))
	{
	var reinit1 = document.getElementById("vue1");
	reinit1.className="first_mini";
	}
	if (document.getElementById("vue2"))
	{
	var reinit2 = document.getElementById("vue2");
	reinit2.className="middle_mini";
	}
	if (document.getElementById("vue3"))
	{
	var reinit1 = document.getElementById("vue3");
	reinit1.className="last_mini";
	}
	if(variable2 == '1') {
		var miniSelected = document.getElementById("vue1");
		miniSelected.className="first_mini_on";
	} else if(variable2 == '2') {
		
		var miniSelected = document.getElementById("vue2");
		miniSelected.className="middle_mini_on";
	} else if(variable2 == '3') {
		
		var miniSelected = document.getElementById("vue3");
		miniSelected.className="last_mini_on";
	}
}
<!--
window.onload=heightEqualizer
//-->