how to get the single column values from xml file using javascript

Hi,

I am trying to write a javascript for display the single column values..but i dont know how to get this contents from xml.i have attached a sample xml in below link,

https://files.acrobat.com/preview/ca0ab095-bcec-4de7-b3d2-1cfebbe83b67

refer it and from that xml,i want to display the contents of Price, that is presented in product table..kindly help me.

Thanks,

Vimala L