function popUp(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=500,height=350,left = 150,top = 250');");
}
function popUpBig(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=800,height=700,left = 50,top = 80');");
}
function popUpWithContent(text) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open('', '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=500,height=300,left = 50,top = 80');");

	eval("page" + id + ".document.write('<font size=\"3\" face=\"Courier\">');");
	eval("page" + id + ".document.write('"+text+"');");
	eval("page" + id + ".document.write('</font>');");
}

function changeTissue() {

	with(document.getElementById('advanced_search')) {
		t = document.getElementById('tissues').value;
		temp = document.getElementById('tissue_list').value;
		if (t.match(temp)) return; 
		t += temp+";";
		document.getElementById('tissues').value = t;
	}
}