changed validation code to numeric
changed validation code to numeric

I-TECH-UW/mwachx,tperrier/mwachx,tperrier/mwachx,I-TECH-UW/mwachx,tperrier/mwachx,I-TECH-UW/mwachx,tperrier/mwachx,I-TECH-UW/mwachx