How To Replace Ampersand

I need to open a new window(child) once the user clicks on the KPI(parent window) field on a Web page. I pass some parameters in the string. Problem is the KPI field can have the “&” ampersand character in it and the string thinks it is another parameter being sent. Any idea on how I can get around this? Any help is greatly appreciated

“javascript:void(window.open(‘http://velma.fmr.com/ReportServer/Pages/ReportViewer.aspx?%2fTest%2fDetailRpt&rs:Command=Render?arameters=true&RptMonth=” & Parameters!RptMonth.value & “&Reports=” & Parameters!Reports.value & “&ID=” & Parameters!ID.Value & “&Alias=” & Parameters!Alias.Value & “&BD=” & Parameters!BD.Value & “&BD=” & Parameters!ED.Value &” ‘,’_blank’,’width=875, height=400, top=75, left=35, toolbar=1, menubar=1, location=1, status=1, scrollbars=1, resizable=1′))”

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