function goBack()
{
 window.history.back();
}

function printPage()
{
 window.print();
}

function ChangeSrcByName(ElementName, NewValue)
{
 var x=document.getElementsByName(ElementName);
 x[0].src=NewValue;
}

function ChangeClassByName(ElementName, NewValue)
{
 var x=document.getElementsByName(ElementName);
// alert("ChangeClassByName " + x[0].className);
 x[0].className=NewValue;
}

function ChangeButton(ElementName1, NewValue1, ElementName2, NewValue2)
{
 ChangeClassByName(ElementName1, NewValue1);
 ChangeClassByName(ElementName2, NewValue2);
}

function SetBodyMargin()
{
 var docwidth=document.body.clientWidth;
 var margwidth=(docwidth-780)/2;
// document.body.style.leftMargin=Math.round(margwidth);
// document.body.style.leftMargin="110px";
// document.write('margin=110px');
// document.body.style.leftMargin="50px";
// document.write('margin=50px');
}

function getPageWidth()
{var screenwidth=screen.availWidth;
 var pagewidth= 750;

 if (screenwidth <= 800)
 {pagewidth=screenwidth;}
 else
 {pagewidth=974;}

 return "600px";
}

function getLayoutHeight()
{
 return "76px";
}