_menuCloseDelay=500           // The time delay for menus to remain visible on mouse out
_menuOpenDelay=150            // The time delay before menus open on mouse over
_followSpeed=5                // Follow scrolling speed
_followRate=40                // Follow scrolling Rate
_subOffsetTop=10              // Sub menu top offset
_subOffsetLeft=-10            // Sub menu left offset
_scrollAmount=3               // Only needed for Netscape 4.x
_scrollDelay=20               // Only needed for Netcsape 4.x



with(menuStyle=new mm_style()){
onbgcolor="#8B5736";
oncolor="#FFFFFF";
offbgcolor="#FAF8D7";
offcolor="#000000";
bordercolor="#296488";
borderstyle="solid";
borderwidth=1;
onborder="1px solid #aaaaaa";
separatorcolor="#2D729D";
separatorsize="0";
padding=5;
fontsize="12px";
fontstyle="normal";
fontweight="bold";
fontfamily="Verdana, Tahoma, Arial";
pagecolor="#FFFFFF";
pagebgcolor="#999999";
headercolor="#000000";
headerbgcolor="#ffffff";
subimage="arrow.gif";
subimagepadding="2";
overfilter='randomdissolve(duration=0.5)';
//outfilter="Fade(duration=0.4)";
outfilter='randomdissolve(duration=0.5)';
}


with(milonic=new menuname("impeller")){
style=menuStyle;
top=420;
left=690;
alwaysvisible=1;
followscroll="1";
orientation="horizontal";
aI("text=J. Impeller;showmenu=impeller_menu1;");
}

with(milonic=new menuname("impeller_menu1")){
style=menuStyle;
overflow="scroll";


aI("text=The impeller normally rotates at a constant speed<br>which causes the discharge pressure to go up<br> when the flow rate is decreased<br> and down when the flow rate is increased.<br>Some pumps have fluid entering on both sides of the<br> impeller and are called double suction pumps.<br>The rotation direction is normally counter-<br>clockwise as seen from the suction side.<br> The impeller sometimes has holes bored<br> through it to reduce the difference in pressure<br>from the back to the front and therefore<br> the axial  load on bearings.");
aI("text=See double suction pump;offbgcolor=red;offcolor=white;url=http://www.pumpfundamentals.com/centrifugal-pump-tips.htm#double-suction;");

}

drawMenus();